| Eric Ma | P | 2017-2021 | Northern Colorado, Whitman College |
| Casey Maack | IF | 2017-2018 | Southern Miss, Eastfield College |
| Cooper Maas | IF | 2015-2017 | North Dakota, St. Cloud State |
| Dave Maas | 2B | 1971-1971 | Fullerton College, Fresno State |
| Dusty Maas | IF | 2012-2015 | Kansas State, Central Missouri |
| Jeremy Maas | P | 2008-2011 | Pennsylvania |
| Karl Maas | P | 2007-2011 | Hawaii-Hilo, Modesto Junior College, Sacramento State |
| Cameron Mabee | P | 2021-2021 | Illinois State, Cal Poly Pomona |
| Boston Mabeus | P | 2021-2021 | Brigham Young |
| Chad Mabini | P | 2013-2017 | Western Carolina, Tallahassee CC |
| Taylor Mabra | OF | 2010-2010 | Texas-Arlington |
| Houston Mabray | P | 2014-2017 | Troy, Lurleen B. Wallace CC |
| Will Mabrey | P | 2020-2021 | Tennessee |
| JT Mabry | IF | 2020-2021 | Middle Tenn State |
| Drexler Macaay | C | 2017-2019 | Grambling State, Palm Beach State College |
| Chris Macahon | IF | 2018-2018 | Illinois-Chicago, Mesa CC |
| Nick Macaione | P | 2012-2015 | Lehigh |
| Connor Macalla | IF | 2015-2015 | Texas |
| Grant Macalmon | H | 2002-2002 | Oral Roberts |
| Dom Macaluso | P | 2009-2012 | Saint Peter's |
| Eddie Macaluso | P | 2011-2015 | Iona College |
| Paul Macaluso | OF | 2001-2003 | Long Beach State |
| Zac Macaneney | OF | 2011-2015 | Virginia Tech, UNC-Greensboro |
| Connor Macaulay | C | 2016-2016 | Lafayette College |
| Chris Macca | P | 2018-2021 | Seminole Florida, Saint Leo, Wingate |
| Dylan MacCallum | P | 2021-2021 | Pepperdine |
| James MacCallum | C | 2020-2021 | Mercer |
| Ryan MacCarrick | OF | 2017-2018 | St. Bonaventure, Erie CC |
| John MacCauley | P | 2018-2021 | Butler |
| Jake Macchi | C | 2020-2021 | Merrimack College |
| Brad Macciocchi | 1B-OF | 2014-2015 | Wright State |
| Grant Macciocchi | P | 2016-2021 | Missouri, Murray State College, Kentucky, Indiana |
| Andrew MacDonald | SS | 2005-2008 | Niagara |
| Andrew Macdonald | P | 2012-2013 | Elon, Lenoir CC |
| Ben MacDonald | C | 2017-2019 | St. Bonaventure |
| Brian MacDonald | P | 2006-2006 | Maine, Merrimack College |
| Brian Macdonald | P | 2014-2015 | Hofstra, County College of Morris |
| Caden MacDonald | P | 2020-2020 | Princeton |
| Daniel MacDonald | P | 2007-2007 | South Alabama |
| Dave MacDonald | P | 2002-2004 | Illinois State |
| Jim MacDonald | 3B-1B | 2006-2009 | Massachusetts |
| John MacDonald | P | 2019-2021 | Bryant University |
| Josh MacDonald | P | 2002-2006 | Connecticut |
| Kevin MacDonald | IF | 2007-2010 | Hawaii |
| Marshall MacDonald | 1B-C | 2008-2009 | Dayton, Colby CC |
| Nate MacDonald | P | 2005-2007 | Gardner-Webb |
| Reagan MacDonald | P | 2016-2020 | Dallas Baptist, Weatherford College, Texas-Tyler |
| Ryan Macdonald | 1B | 2012-2016 | Fairleigh Dickinson |
| Matt MacDougal | SS-2B | 2005-2006 | James Madison |
| Matt MacDowell | C | 2012-2015 | Dartmouth |
| Kyle Mace | P | 2014-2017 | Delaware State |
| Ryan Mace | P | 2009-2012 | Kent State |
| Storm Mace | P | 2019-2021 | Radford, Catawba Valley |
| Tommy Mace | P | 2018-2021 | Florida |
| Christian Maceda | OF | 2021-2021 | UMD-Baltimore Cty |
| Chris Macek | P | 2009-2012 | Northern Iowa |
| Josh Macek | OF | 2016-2018 | Emory and Henry College |
| Ian MacGeorge | OF | 2009-2010 | Florida Atlantic, Seminole Florida, Embry-Riddle |
| Mike MacGillivray | P | 2010-2010 | Loyola Marymount |
| Tyler MacGregor | UT | 2019-2020 | Columbia |
| Conner Mach | IF | 2009-2012 | Missouri |
| Dylan Mach | IF | 2021-2021 | Dallas Baptist |
| Matt Mach | IF | 2006-2008 | Saint Louis |
| Daniel Macha | IF | 2004-2005 | Texas-Arlington, San Jacinto |
| Andres Machado | IF | 2018-2019 | UMD-Baltimore Cty |
| Chris Machado | IF | 2007-2007 | Elon |
| Chris Machado | P | 2011-2012 | Indiana State, East Los Angeles College |
| Felix Machado | P | 2007-2009 | Bethune-Cookman |
| Joey Machado | P | 2018-2021 | Nebraska at Omaha |
| Jose Machado | P | 2017-2020 | Florida Intl |
| Justin Machado | IF | 2017-2020 | Fordham |
| Kyle Machado | P | 2020-2021 | Florida Gulf Coast |
| Mike Machado | C | 2005-2006 | St. Mary's (CA) |
| Robert Machado | P | 2009-2011 | Massachusetts |
| Ron Machado | OF | 2004-2006 | Sacramento State, Bakersfield College |
| Brad Machaffie | P | 2011-2012 | Elon |
| Aaron Machbitz | IF | 2011-2014 | South Dakota State |
| Mitchell Machi | P-OF | 2015-2015 | University at Buffalo |
| Max Machiorlette | IF-OF | 2016-2019 | Princeton |
| Jack Machonis | IF | 2013-2016 | Stetson, Eastern FL ST, North Carolina at Pembroke |
| Jack Machtolf | OF | 2018-2021 | Gonzaga |
| Mark Machtolf | COACH | 1984-1986 | Stanford |
| Carter Macias | OF | 2019-2021 | Army |
| Daniel Macias | P | 2004-2007 | Loyola Marymount |
| Kevin Macias | IF | 2014-2017 | Prairie View A&M, Galveston College |
| Joe Maciej | 3B | 2005-2008 | Minnesota |
| Stuart MacInnes | OF | 2010-2011 | Texas-Pan American, Ranger College |
| Cameron MacIntosh | IF | 2019-2021 | USC-Upstate, Tacoma CC |
| Connor Macip | P | 2021-2021 | New Orleans |
| Ian MacIver | P | 2018-2021 | Utah |
| Anthony Mack | OF-SS | 2014-2016 | Grinnell College |
| Arik Mack | P | 2014-2014 | Brigham Young |
| Brody Mack | OF-P | 2020-2021 | William and Mary |
| Connor Mack | OF | 2018-2021 | California |
| Cory Mack | P | 2011-2015 | Seattle, Whitworth |
| Dwight Mack | C | 2013-2013 | North Dakota State |
| Floyd Mack | OF | 1999-1999 | Georgia State |
| Jeremy Mack | OF | 2000-2003 | Lehigh |
| Joe Mack | 1B | 2007-2010 | Ball State, Northern Kentucky |
| Joseph Mack | P | 2013-2016 | Prairie View A&M, San Jacinto |
| JP Mack | P | 2006-2010 | Fordham |
| Kelby Mack | P | 2006-2006 | UW Milwaukee, Madison Area Technical College |
| Keylon Mack | --- | 2021-2021 | Grambling State |
| Marcus Mack | H | 2001-2002 | Jackson State |
| Marcus Mack | OF | 2004-2007 | NC A&T State, North Carolina Central |
| Matt Mack | IF | 2009-2012 | Radford |
| Sterling Mack | OF | 2007-2010 | Indiana |
| Tony Mack | 2B-SS | 2019-2021 | NC A&T State |
| John Mackay | C | 2016-2019 | Cal Poly, Palomar College |
| Tyson Mackay | IF | 2008-2008 | Utah, Salt Lake CC |
| Chris Macke | IF | 2005-2008 | Ohio State |
| Pete Macke | P | 2013-2015 | Pittsburgh, Seward County CC, Nebraska at Omaha |
| Owen Mackedon | IF | 2007-2008 | Nevada, Southern Illinois, Feather River College |
| Mitchell MacKeith | P | 2013-2016 | Radford |
| Alex MacKenzie | P | 2006-2009 | Canisius College |
| Anthony MacKenzie | IF | 2020-2021 | Sam Houston State |
| Will Mackenzie | 1B | 2013-2016 | Stetson, St. Johns River CC |
| Justin Mackert | OF | 2009-2012 | The Citadel |
| AJ Mackey | IF | 2013-2014 | USC-Upstate, Gulf Coast CC, Santa Fe CC |
| Bryce Mackey | P | 2018-2021 | Tulane, South Mountain CC |
| Chris Mackey | OF-1B | 2003-2006 | Harvard |
| Chris Mackey | P | 2005-2007 | Missouri State |
| Danny Mackey | P | 2001-2004 | Wake Forest |
| J.T. Mackey | P | 2007-2009 | Texas-San Antonio, Texas-Brownsville and Texas Southmost College |
| Joe Mackey | P | 2012-2015 | NC A&T State, Lander, Pitt CC |
| Matt Mackey | 1B-OF | 2017-2021 | Eastern Illinois, Maple Woods CC, Lenoir-Rhyne College |
| Sebron Mackey | P | 2014-2017 | Jackson State |
| Tywan Mackey | OF | 2017-2020 | Arkansas-Pine Bluff, Coffeyville CC, New Mexico Highlands |
| Drew Mackie | OF | 2020-2021 | Nebraska, Northwest Missouri State |
| JP Mackie | P | 2005-2005 | Texas-Pan American |
| Scott Mackiewicz | IF-OF | 2021-2021 | Toledo |
| Evan Mackintosh | P | 2013-2016 | Massachusetts |
| Colin Mackle | OF | 2020-2021 | Marist |
| Colin Macko | IF-OF | 2019-2021 | UNC Asheville, Lackawanna College |
| Tom Mackor | IF | 2002-2005 | Boston College |
| Tommy Mackoul | P | 2009-2010 | UC Riverside |
| Kenny Mackovic | P | 2016-2019 | Roanoke College |
| Kevin Maclachlan | P | 2010-2013 | Villanova |
| Andrew MacLatchie | C | 2013-2016 | Furman |
| John MacLean | OF | 2016-2019 | Harvard |
| Luke MacLean | 2B | 2003-2006 | Minnesota |
| Will MacLean | P | 2019-2021 | Bowling Green State |
| Rex MacMillan | UT | 2014-2017 | New Jersey Tech |
| Brian MacMurray | IF | 2001-2004 | New York Tech |
| Ryan MacNamara | P | 2010-2010 | Southern Miss, Allegany College of Maryland |
| Ben MacNaughton | OF | 2019-2021 | Lamar, Northern Oklahoma College-Tonkawa Campus |
| Ryan MacNaughton | 3B-1B | 2015-2018 | Fairleigh Dickinson, Ramapo |
| Andrew MacNeil | OF | 2017-2021 | Stetson |
| Andrew MacNevin | 3B | 2003-2006 | Niagara |
| Jake MacNIchols | C | 2017-2021 | Santa Clara |
| Mason Macnoll | OF | 2009-2009 | Texas Tech |
| Colin Macon | P | 2017-2018 | Penn State |
| Michael Macove | UT | 2015-2018 | UNLV, Salt Lake CC |
| Jake MacWilliam | IF | 2013-2015 | Sam Houston State, Cypress College |
| Jim MacWilliam | P | 2012-2013 | Hawaii, Chandler-Gilbert CC |
| Josh Macy | IF | 2005-2005 | Indiana State |
| Chris Maczko | P | 2000-2002 | Akron, Cleveland State |
| Houston Mad | P | 2003-2004 | Chicago State |
| Andrew Madden | OF | 2013-2014 | UNC Asheville |
| Bryant Madden | P | 2020-2021 | Maine, Chattanooga State |
| Corben Madden | P | 2010-2013 | Florida State, Jacksonville, Seminole Florida |
| Danny Madden | P | 2017-2021 | St. Bonaventure, Polk State, Towson |
| Kevin Madden | OF | 2006-2009 | Santa Clara |
| Kevin Madden | 3B | 2019-2021 | Virginia Tech |
| Kevin Madden | P | 1985-1985 | Virginia |
| Ty Madden | P | 2019-2021 | Texas |
| Zack Madden | OF | 2014-2014 | South Carolina |
| Zane Madden | IF | 2010-2012 | Lafayette College, West Liberty University |
| Adam Maddox | P | 2009-2012 | Missouri State, Central Missouri |
| Andrew Maddox | OF | 2008-2008 | USC-Upstate |
| Brandon Maddox | 2B | 2010-2011 | Arkansas-Pine Bluff |
| Clay Maddox | C | 2007-2008 | Marshall, Morehead State |
| Jarrad Maddox | 1B | 2002-2002 | Texas-Pan American, North Arkansas College |
| Jerry Maddox | P | 2017-2019 | Northwestern State, San Jacinto |
| Keenen Maddox | OF | 2010-2013 | Missouri State |
| Nate Maddox | IF | 2005-2005 | Liberty |
| Parker Maddox | P | 2020-2021 | Ohio, Iowa Western CC |
| Peyton Maddox | C | 2015-2020 | Va Military Inst., Southwestern Oklahoma State, Crowley's Ridge |
| Xander Maddox | OF | 2014-2017 | Richmond, NC A&T State |
| Chase Maddux | P | 2016-2021 | UNLV |
| Gordon Madej | IF | 2012-2013 | SUNY - Albany |
| Mikey Madej | IF | 2017-2021 | Purdue, Northwest Florida State College, North Carolina |
| Nate Madej | P | 2018-2021 | South Alabama, Florida SW, Florida Southern |
| Eric Madenberg | OF | 2021-2021 | Binghamton |
| Drew Madia | 1B-3B | 2006-2010 | Purdue |
| Evan Madigan | IF | 2017-2020 | Bucknell |
| Pat Madigan | OF | 2014-2017 | Northeastern |
| Sean Madigan | OF | 2007-2011 | UC Irvine |
| Aaron Madill | P | 2006-2007 | Western Illinois, Allen County CC |
| Brad Madison | OF-P | 2006-2006 | Air Force, Texas Tech, Blinn College |
| Cody Madison | CF | 2007-2010 | Cal State San Bernardino, Riverside CC |
| Jim Madison | P | 2002-2005 | Northeastern |
| Kevin Madison | P | 2008-2009 | Saint Peter's |
| Matt Madison | C | 2004-2005 | Furman |
| Jake Madole | 3B | 2016-2021 | UNC Asheville, East Tennessee State |
| Josh Madole | 1B | 2018-2021 | UNC-Greensboro |
| Nate Madole | P | 2019-2021 | Loyola Marymount, Irvine Valley College |
| Dominick Madonna | P | 2020-2021 | North Florida |
| Phil Madonna | C | 2015-2018 | Siena College |
| Eric Madrid | P | 2018-2018 | Santa Clara |
| Matt Madrid | IF | 2005-2008 | Cleveland State |
| Bryan Madril | SS-OF | 2005-2006 | Troy, Northwest Florida State College |
| Dusty Madsen | OF | 1991-1991 | Sacramento City College |
| Greg Madsen | IF | 2008-2008 | Southern Utah |
| Jake Madsen | 1B | 2012-2015 | Ohio |
| Josh Madsen | P | 2005-2005 | Utah, College of Southern Idaho |
| Mark Madsen | P | 1998-2000 | Loyola Marymount |
| Mick Madsen | IF | 2019-2021 | Utah Valley U |
| Robert Madsen | P | 2006-2006 | McLennan CC, Oklahoma State |
| Christian Madson | P | 2003-2005 | Florida |
| Michael Madson | P | 2002-2005 | Dartmouth |
| Michael Madura | P | 2019-2021 | Central Michigan, South Suburban College, Indiana U.-Purdue U.-FW |
| Angelo Maduro | OF | 2016-2016 | Jackson State |
| Jon Maduro | P | 2005-2005 | Le Moyne |
| Michael Maehl | OF | 2008-2008 | San Jose State, Butte College |
| Jacob Maekawa | IF | 2017-2019 | San Diego State |
| Trey Maeker | IF-P | 2021-2021 | Fordham |
| Rossario Maertz | OF | 2020-2020 | Fairleigh Dickinson, Fordham |
| Cody Maerz | P | 2013-2016 | Murray State |
| Carlos Maese | C-P | 2009-2013 | Northwestern State, West Texas A&M |
| JP Maestas | OF | 2012-2013 | Cal State Bakersfield, Western Illinois, Allan Hancock College |
| Joseph Maestu | C | 2017-2020 | Bethune-Cookman, Southern New Hampshire, New England College |
| Alex Maffett | P | 2009-2012 | Richmond |
| Mike Maffucci | IF | 2006-2007 | Wagner |
| John Magaletti | SS-3B | 2001-2003 | Brown |
| Eddie Magallon | P | 2010-2013 | Long Beach State |
| Schafer Magana | IF | 2002-2005 | Hawaii |
| Kevin Magaw | UT | 2003-2003 | UMD-Baltimore Cty |
| Charles Magedanz | IF | 2003-2006 | North Dakota State |
| Brien Magee | OF | 2002-2005 | Quinnipiac |
| Corey Magee | 3B | 2004-2004 | Grambling State |
| Joshua Magee | OF | 2014-2014 | Alabama State |
| Owen Magee | IF | 2015-2018 | New Orleans, Delgado CC |
| Ryan Magee | P | 2005-2008 | Sacramento State, Sierra College |
| Sean Magee | P | 1999-2002 | Bucknell |
| Mark Mager | SS | 1999-2002 | Harvard |
| Alex Magers | P | 2020-2021 | Texas A&M |
| Austin Magestro | P | 2015-2017 | UNC Wilmington |
| Brett Maggard | P | 2012-2016 | Florida Atlantic, St. Johns River CC, Gulf Coast CC, Angelo State |
| Jacob Maggard | P | 2007-2008 | Arkansas State, Mississippi Delta CC |
| Chris Maggi | 2B | 2000-2002 | Elon |
| Austen Maggin | C | 2014-2015 | Lafayette College, Emory |
| Caleb Maggio | P | 2015-2018 | Sam Houston State, Samford |
| Christian Maggio | C | 2018-2021 | Charleston Southern |
| Zach Maggio | IF | 2010-2014 | Arkansas State |
| Brendan Maghini | IF-OF | 2011-2014 | Le Moyne, Fordham |
| Ryan Maghini | IF | 2009-2012 | Fordham |
| Eddie Magi | P | 2017-2020 | Stonehill College |
| Grant Magill | C | 2020-2021 | Indiana State |
| Peter Magistrale | IF-OF | 2010-2010 | Hofstra |
| Mason Magleby | P | 2013-2013 | Nevada, Sacramento State |
| Tyler Magliolo | OF | 2011-2011 | Houston, Galveston College |
| Damian Maglione | IF | 2016-2018 | Malone College, Lake Erie College |
| Mike Magnanti | 2B-SS | 2017-2018 | St. Bonaventure, Finger Lakes CC, Maine |
| Jake Magner | IF | 2008-2011 | North Dakota |
| Daniel Magness | 1B | 2004-2007 | San Diego, Dallas Baptist |
| Travis Magness | P | 2015-2018 | Incarnate Word, Sacramento City College |
| Christian Magno | 1B-OF | 2013-2016 | Drury, Florida Southern |
| Jason Magnus | P | 2000-2003 | Columbia |
| Bobby Magnuson | P | 2010-2011 | New York Tech |
| John Magnuson | IF | 2018-2020 | Arkansas-Pine Bluff, Upper Iowa |
| Kevin Magoon | P | 2011-2012 | Sacred Heart |
| Matt Magrann | P | 2020-2021 | Austin Peay |
| Shane Magrann | C | 2019-2021 | Florida Atlantic, South Florida CC |
| Richard Magrath | P | 2007-2007 | Furman |
| Matthew Magre | P | 2021-2021 | Arkansas |
| Joe Magrisi | P | 2019-2021 | Cal State Fullerton |
| Josh Maguire | 2B | 2019-2021 | Maryland, James Madison |
| Matt Maguire | SS | 1999-2002 | Nevada |
| Mike Maguire | OF | 2017-2020 | Lehigh |
| Morgan Maguire | P | 2016-2019 | Old Dominion |
| Nick Maguire | IF | 2013-2016 | Columbia |
| Pat Maguire | P | 2004-2006 | Connecticut |
| Robbie Maguire | P | 2011-2015 | Sacred Heart |
| Ryan Maguire | IF | 2008-2011 | Northeastern |
| Isaiah Magwood | P-OF | 2019-2021 | Jacksonville State |
| Jamie Mah | P | 2004-2004 | Loyola Marymount |
| Kyle Mahady | P | 2021-2021 | Saint Peter's |
| Drew Mahaffey | P | 2008-2011 | The Citadel |
| Jack Mahala | P | 2018-2020 | Harvard |
| Kenny Mahala | IF-P | 2011-2014 | Ball State, Heartland CC, Indianapolis |
| Michael Mahala | P | 2021-2021 | Navy |
| Patrick Mahala | P | 2020-2021 | Georgetown |
| Mahan | --- | 2004-2004 | Brown |
| Drew Mahan | P | 2005-2008 | Michigan State, Western Michigan |
| Jacob Mahan | IF | 2012-2013 | Arkansas, Oxnard College |
| Will Mahan | C | 2001-2003 | Navy |
| Ben Mahar | P | 2012-2015 | Valparaiso |
| Sam Mahar | P | 2012-2014 | Kentucky |
| Syeed Mahdi | OF | 2015-2019 | Norfolk State, Shepherd University |
| Shannon Maheia | H | 2008-2008 | Grambling State |
| Aaron Maher | OF-P | 2015-2018 | East Tennessee State |
| Brian Maher | P | 2014-2014 | La Salle |
| Bryce Maher | SS-2B | 2014-2017 | Massachusetts |
| Caden Maher | P | 2016-2018 | Northern Colorado |
| Dylan Maher | C | 2015-2018 | Central Ct State |
| Jeff Maher | IF | 2003-2006 | Northeastern |
| Joel Maher | OF | 2003-2006 | Maryland-Eastern Shore |
| Matt Maher | OF | 2006-2009 | Fairleigh Dickinson |
| Eric Mahler | OF | 2008-2009 | Illinois State, Gadsden State CC |
| James Mahler | P | 2008-2008 | Arkansas, Salt Lake CC |
| Kevin Mahler | P | 2010-2010 | Missouri, St. Louis CC-Meramec |
| Leif Mahler | SS-2B | 2004-2008 | Michigan |
| Steve Mahler | OF | 2011-2011 | Cleveland State, Triton College |
| Blake Mahmood | P | 2021-2021 | Tulane |
| Sam Mahofski | IF | 2016-2017 | Texas A&M-Corpus Christi, Weatherford College |
| Patrick Mahomes | P | 2015-2015 | Texas Tech |
| Bobby Mahon | P | 2005-2006 | Western Illinois |
| Jake Mahon | C-1B | 2011-2014 | Evansville |
| Justin Mahon | IF-OF | 2005-2005 | Central Florida, Mars Hill College |
| Mike Mahon | OF | 2005-2005 | Coppin State College |
| Nick Mahon | OF | 2006-2007 | Wright State, Georgetown College |
| Tyler Mahone | 1B-C | 2018-2021 | Longwood |
| Andrew Mahoney | P | 2017-2017 | Mississippi State |
| Brandon Mahoney | P-OF | 2002-2002 | Pacific |
| Chris Mahoney | OF | 2002-2003 | Siena College |
| Connor Mahoney | P | 2018-2021 | Quinnipiac |
| Cullen Mahoney | IF | 2010-2013 | Nevada, South Mountain CC, Loyola Marymount |
| David Mahoney | P | 2012-2014 | Connecticut |
| Devin Mahoney | 1B-OF | 2014-2017 | Saint Louis, College of San Mateo |
| Jack Mahoney | P | 2018-2021 | UW Milwaukee |
| Jack Mahoney | P | 2020-2021 | Stony Brook, Manhattan College |
| Jack Mahoney | P-IF | 2021-2021 | South Carolina |
| Jonathan Mahoney | P | 2017-2021 | Norfolk State, Prince George's CC |
| Matt Mahoney | P | 2002-2002 | New Mexico |
| Noah Mahoney | C | 2017-2020 | Abilene Christian, LeTourneau University |
| Ryan Mahoney | IF | 2009-2013 | Le Moyne |
| Ryan Mahoney | OF | 2014-2017 | Fordham |
| Ryan Mahoney | C | 2003-2007 | South Carolina, St. John's |
| Scott Mahoney | P | 2018-2020 | Norfolk State, Patrick Henry CC |
| Taylor Mahoney | P | 2011-2015 | Saint Joseph's, Delaware |
| Chris Mahony | OF | 2000-2004 | Bucknell, Pittsburgh |
| Michael Mahony | P | 2017-2021 | Pepperdine |
| Jason Mahood | IF-C | 2010-2013 | San Francisco |
| Thi Mai | C | 2016-2017 | Prairie View A&M |
| Nico Maida | IF | 2014-2017 | Long Beach State, Grossmont College, Cal State San Marcos |
| Graham Maiden | 1B | 2004-2007 | Charleston Southern |
| Tate Maider | C-1B | 2014-2017 | Washington U. in St. Louis |
| Jason Maiella | IF | 2003-2007 | Sacred Heart |
| Bill Maier | P | 2014-2017 | Iona College |
| Chris Maier | 3B | 2007-2010 | Stony Brook |
| Collin Maier | P | 2015-2018 | Washington State, Puget Sound |
| Dan Maier | OF | 2006-2009 | Jacksonville |
| Lenny Maier | OF | 2002-2004 | Troy |
| Matt Maier | P | 2013-2013 | New York Tech |
| Matthew Maiers | P | 2014-2018 | Marshall, Potomac State College of WVU, Fairmont State College |
| Vinny Maietta | 3B | 2013-2015 | Saint Peter's |
| Jayden Maifeld | P | 2019-2021 | Nebraska at Omaha, Iowa Central CC |
| Ryne Mailen | 1B | 2008-2009 | Delaware State, Lackawanna College |
| Ty Main | P | 2008-2009 | Florida Intl, Texas-San Antonio |
| Kevin Mainer | P-IF | 2004-2004 | Sam Houston State, McLennan CC |
| Jeffrey Mainetti | IF | 2004-2007 | Quinnipiac |
| Nick Mainieri | C | 2004-2005 | Notre Dame |
| Blake Mainor | P | 2009-2009 | Mercer, Southern Polytechnic State |
| Michael Mainor | 3B | 2000-2002 | The Citadel |
| Colby Maiola | OF | 2017-2018 | Massachusetts-Lowell, Northern Essex CC |
| Steve Maiolo | IF | 2003-2006 | Duquesne |
| Grant Maiorana | C-OF | 2016-2017 | Virginia Tech |
| Nick Maiorano | OF | 2019-2019 | Lafayette College |
| Anthony Maisano | 1B-C | 1986-1990 | Georgia Tech, Wake Forest |
| Thomas Maisano | P | 2002-2002 | Fairfield |
| Tom Maisano | P | 2001-2004 | Fairfield |
| Garrett Maish | OF | 2021-2021 | Indiana U.-Purdue U.-FW |
| Darnell Maisonet-Velez | OF | 2016-2019 | Delaware State |
| Jeff Maitland | P-OF | 2002-2006 | Iowa |
| Tim Maitland | OF | 2009-2012 | Texas |
| Bobby Majer | IF | 2003-2006 | Bowling Green State |
| David Majeski | OF | 1989-1992 | Florida |
| Paul Majestic | 1B | 2005-2006 | Wright State, Sacramento City College |
| Kyle Majette | P | 2014-2016 | East Carolina, Pitt CC, Old Dominion, Francis Marion |
| Eli Majick | P | 2021-2021 | Dayton |
| Bo Majkowski | OF | 2018-2021 | Clemson |
| Allbry Major | OF | 2018-2021 | Xavier, Arizona State |
| Jason Major | 1B | 2003-2006 | Va Military Inst. |
| Joe Major | P-C | 2010-2013 | Murray State |
| Matt Major | C | 2007-2010 | Evansville |
| Tommie Major | P | 2003-2005 | South Alabama |
| Mason Majors | P | 2019-2021 | Richmond |
| Matt Majors | P | 2015-2015 | UC Irvine |
| Alex Makarewich | P | 2021-2021 | Northwestern State |
| AJ Makarewicz | IF | 2016-2018 | Alcorn State, Seminole Florida |
| Alec Makarewicz | OF-IF | 2020-2021 | East Carolina |
| Dylan Maki | P | 2010-2013 | Northeastern |
| Erik Maki | OF-P | 2013-2016 | Western Illinois |
| Aaron Makil | --- | 2018-2021 | New Mexico, Chandler-Gilbert CC |
| Ryan Makis | P | 2009-2012 | Princeton |
| Chris Mako | C | 2016-2017 | Delaware State |
| Jordan Makovicka | OF | 2011-2013 | Creighton, Nebraska |
| Ryan Maksim | IF | 2013-2016 | Charleston Southern, Brunswick CC |
| Mark Maksimow | P | 2013-2016 | George Mason |
| Marcus Makuch | OF | 2011-2013 | Miami |
| Zach Malach | P | 2013-2016 | SIU-Edwardsville |
| Tom Malafronte | P | 2002-2005 | Rutgers |
| Kyle Malan | OF | 2004-2005 | Western Illinois, Illinois Central College |
| Robert Malan | IF | 2011-2013 | Va. Commonwealth |
| Jeff Maland | IF | 2002-2002 | Arkansas |
| Dillon Malandro | IF-OF | 2018-2018 | Connecticut, La Salle |
| Dan Malandruccolo | C | 2007-2007 | Rutgers |
| Jacob Malatek | P | 2015-2015 | Incarnate Word |
| Johnny Malatesta | IF-P | 2015-2018 | New Jersey Tech |
| Phillip Malatesta | P | 2011-2012 | Arkansas State, Northwest Mississippi CC |
| Blake Malatestinic | P | 2018-2020 | Eastern Illinois |
| John Malbon | 1B | 2006-2010 | Old Dominion |
| Will Malbon | OF | 2014-2018 | Va Military Inst. |
| Christian Malbrough | P | 2011-2012 | Florida Intl, Copiah-Lincoln CC |
| Dustin Malbrough | C | 2002-2003 | Nicholls State |
| Nico Malbrough | IF | 2019-2020 | San Jose State |
| John Malcolm | P | 2013-2014 | Army |
| John Malcom | UT | 2019-2021 | Vanderbilt, St Col of FL, Tampa |
| Russell Malcom | IF | 2003-2006 | Arkansas-Pine Bluff, Southern |
| Zeth Malcom | C | 2017-2021 | Alabama A&M, Jacksonville State |
| Welby Malczewski | P | 2016-2018 | Heartland CC, Auburn |
| Angel Maldanado | --- | 2020-2020 | --- |
| Aidan Maldonado | P | 2019-2021 | Illinois, Minnesota |
| Alex Maldonado | C | 2005-2008 | Centenary College |
| Angel Maldonado | IF-P | 2021-2021 | Miss. Valley St |
| Cameron Maldonado | P | 2009-2012 | Wichita State, Southern Illinois, Seward County CC |
| David Maldonado | IF | 2016-2017 | San Diego State, Grossmont College |
| Frank Maldonado | OF | 2015-2018 | Pittsburgh |
| Humberto Maldonado | IF | 2020-2021 | Arkansas-Pine Bluff, Mid-Plains CC-McCook Campus |
| Jesse Maldonado | P | 2008-2009 | Texas A&M-Corpus Christi, Temple College |
| Keanu Maldonado | IF | 2021-2021 | Prairie View A&M |
| Kyle Maldonado | C | 2009-2010 | New Orleans |
| Lucas Maldonado | P | 2017-2019 | Pittsburgh, Southern Union State CC |
| Luke Maldonado | IF | 2013-2014 | Winthrop, Madison Area Technical College |
| Matthew Maldonado | UT | 2019-2021 | Lipscomb |
| Mike Maldonado | OF | 2016-2016 | Rider |
| Nick Maldonado | P | 2020-2021 | Vanderbilt |
| Pedro Maldonado | P | 2014-2015 | Prairie View A&M, Cedar Valley College |
| Roberto Maldonado | P | 2021-2021 | Prairie View A&M, Laredo CC |
| Ryan Maldonado | P | 2011-2012 | Centenary College, Texas A&M International |
| Trey Maldonado | P | 2006-2008 | Texas A&M-Corpus Christi |
| Chris Malec | P | 2005-2006 | Michigan State, College of Lake County |
| Jason Malefakis | OF | 2008-2008 | Michigan |
| Matt Malejko | P | 1993-1994 | LSU |
| Chance Malek | P | 2015-2018 | George Washington |
| Hayden Malenfant | P | 2018-2021 | SE Missouri State, Southeastern CC |
| Bryan Maler | OF | 2003-2006 | Connecticut |
| John Maler | P | 2010-2011 | Ark-Little Rock, Cowley College |
| Mike Maleski | OF | 2003-2004 | Va Military Inst. |
| Jay Maletz | 1B | 2013-2016 | Coppin State College, DeSales |
| Matt Malewitz | P | 2009-2012 | Bowling Green State, Grand Rapids CC |
| Mike Malewitz | IF | 2019-2020 | Bowling Green State |
| Joe Maley | P | 2004-2005 | Georgia Southern, South Georgia College |
| Matt Maley | OF-IF | 2001-2004 | Florida |
| Mitch Maley | P | 2000-2003 | James Madison |
| Joseph Malfettano | IF | 2003-2006 | Wagner |
| Mike Malfettone | UT | 2005-2008 | Columbia |
| Anthony Malgieri | IF | 2012-2012 | Pacific |
| Brennan Malham | IF | 2010-2011 | SE Missouri State, Lincoln Land CC |
| Ryan Malhotra | IF-P | 2011-2012 | Chicago State, Niagara County CC |
| Wes Malik | P | 2015-2016 | St. Mary's (CA), Mission College |
| Josh Malin | P | 2010-2011 | SIU-Edwardsville, St. Louis CC-Forest Park |
| Mike Malinchak | OF | 2018-2020 | Pepperdine |
| Greg Maliniak | OF | 2005-2008 | William and Mary |
| Jeff Malinoff | 1B | 1971-1974 | UC Irvine |
| Eduardo Malinowski | IF | 2018-2020 | Pennsylvania, Virginia Tech |
| Peter Malinowski | C | 2005-2007 | Bradley |
| Steven Malinowski | C | 2003-2006 | Wake Forest |
| Alex Malinsky | C | 2014-2017 | Penn State |
| Jim Malisos | OF | 2003-2004 | Vermont |
| Chris Maliszewski | P | 2001-2004 | Iowa |
| Chuck Malitz | OF-1B | 1967-1967 | Texas A&M |
| Mark Malizia | OF | 1986-1986 | Oklahoma State, Miami |
| Anthony Malky | P | 2015-2016 | Akron, College of Wooster |
| Dalton Mall | P | 2019-2021 | Bradley, Fort Scott CC, Iowa Western CC |
| Kyle Mall | C | 1990-1990 | LSU |
| Mike Malland | OF | 2010-2010 | Seattle, Everett CC |
| Vinny Mallaro | OF | 2014-2017 | University at Buffalo |
| Brandon Mallder | OF | 2013-2017 | Northern Illinois |
| Mitch Mallek | C-OF | 2016-2019 | St. Cloud State |
| Charles Mallett | P | 2007-2008 | Alabama A&M |
| Jon Mallett | P | 2003-2003 | Kansas State |
| Trevor Mallett | C | 2016-2020 | Missouri, Santa Rosa Junior College, Sonoma State |
| Adam Mallette | 1B | 2003-2004 | Louisville, Idaho |
| Drew Malley | P | 2008-2008 | South Florida, Ohio State |
| Max Malley | C-IF | 2020-2021 | Evansville |
| Zack Mallia | P | 2021-2021 | UNC-Greensboro |
| Ryan Mallison | IF | 2018-2019 | Arkansas-Pine Bluff |
| Josh Mallitz | P | 2021-2021 | Mississippi |
| Mark Mallo | P | 2000-2004 | Northern Illinois |
| Andrew Mallon | IF | 2014-2016 | Eastern Michigan, Mission College, Cal State Stanislaus |
| Chris Mallon | C | 2013-2013 | Cal State Bakersfield |
| Jim Mallon | COACH | 1981-1981 | Western Illinois |
| Tom Mallon | P | 1980-1984 | Clemson |
| Andrew Mallory | P | 2006-2006 | Dartmouth |
| Ryan Mallory | 1B | 2009-2012 | Richmond |
| Nate Mallott | C | 2017-2019 | Nebraska at Omaha, Scottsdale CC, Ohio |
| Cole Malloy | OF-2B | 2015-2018 | Butler |
| Jake Malloy | OF | 2018-2018 | Loyola Marymount |
| Matt Malloy | C | 2010-2014 | West Virginia, Central Oklahoma, Tennessee Wesleyan College |
| Ryan Malloy | OF | 2016-2019 | Lehigh |
| Tony Mallozzi | OF | 2002-2005 | Connecticut |
| Kyle Mallwitz | P | 2014-2017 | Western Michigan, Kellogg CC |
| Aidan Malm | OF | 2017-2021 | Long Beach State, Folsom Lake |
| Brad Malm | IF | 2018-2021 | SUNY - Albany |
| Brett Malm | 3B | 2016-2019 | Adelphi |
| Luke Malmanger | IF | 2019-2021 | Oakland, Madison Area Technical College |
| Brett Maloley | OF | 2003-2006 | North Florida, Polk State, High Point |
| Andre Malone | H | 2014-2014 | Rhode Island |
| Andrew Malone | P-1B | 2018-2021 | Mount Saint Mary |
| Demetrus Malone | H | 2011-2011 | Miss. Valley St |
| Justin Malone | P | 2009-2012 | Georgia State |
| Kieran Malone | 2B | 2004-2007 | St. Bonaventure |
| Luke Malone | P | 2019-2021 | Texas A&M-Corpus Christi, Texas-San Antonio |
| Matt Malone | C | 2019-2021 | New York Tech |
| Noah Malone | P | 2016-2016 | Xavier |
| Ryan Malone | IF-C | 2013-2016 | Campbell, Bellevue CC, Central Washington |
| Scott Malone | OF | 2006-2006 | Utah, Santa Barbara City College |
| Trey Malone | IF | 2010-2010 | Kennesaw State |
| Tyler Malone | IF | 2005-2005 | Indiana State |
| Zack Malone | UT | 2014-2014 | Tennessee-Martin, Lyon College |
| Brenner Maloney | P | 2021-2021 | Missouri |
| Brian Maloney | IF | 2002-2004 | Connecticut |
| Eric Maloney | P | 1991-1991 | Creighton |
| Gavin Maloney | OF | 2019-2021 | Santa Clara |
| Jim Maloney | P | 1998-2002 | Evansville |
| John Maloney | OF | 2001-2003 | Rhode Island |
| Kevin Maloney | 3B | 2001-2003 | Delaware State |
| Pat Maloney | OF | 2000-2003 | Kansas State |
| Pat Maloney | OF | 1990-1993 | Michigan |
| Trevor Maloney | P | 2013-2016 | Tennessee Tech, Hillsborough CC, Palm Beach State College |
| Ryne Malonzo | IF-OF | 2005-2008 | Chicago State |
| Caleb Maloof | P | 2021-2021 | Southern |
| Tyler Maloof | P | 2009-2012 | Georgia |
| Grant Malott | OF | 2015-2017 | Western Kentucky, Southern Indiana |
| Mike Malott | P | 2001-2006 | San Jose State, Long Beach State |
| Jarrett Maloy | P | 2007-2010 | Southern |
| Wilbur Malphus | OF | 2015-2018 | Alcorn State |
| Alex Malsch | IF | 2015-2018 | Wofford |
| Chip Malt | IF | 2007-2010 | Georgetown |
| Cole Maltese | IF | 2015-2018 | Northern Colorado, Pepperdine |
| Shay Maltese | IF-P | 2010-2014 | Northern Colorado, Cal State Northridge, Santa Barbara City College, Cal State Stanislaus |
| Rorik Maltrud | P | 2019-2021 | Oklahoma, Grayson County College, New Mexico State |
| Cory Maltz | P | 2011-2013 | Weatherford College, New Mexico, Stephen F. Austin |
| Mason Mamarella | OF | 2015-2018 | Akron, Kent State |
| Luke Mamer | P | 2012-2015 | Wright State |
| Andrew Mamlic | P | 2013-2016 | Illinois |
| Neil Mammele | P | 2010-2012 | Quinnipiac |
| Paul Mammino | P | 2013-2016 | Wagner |
| Greg Mamula | COACH | 1995-1998 | St. Bonaventure |
| Brandon Manasa | IF | 2003-2005 | Florida State |
| David Manasek | P | 2015-2017 | Fordham, Millersville Pennsylvania |
| Jacob Manaska | IF | 2018-2021 | Tennessee Tech, Eastfield, Henderson State |
| Eric Mancini | P | 2007-2007 | Texas-Pan American |
| Joe Mancini | P | 2019-2021 | Boston College |
| Matt Mancini | OF-P | 2010-2013 | Saint Peter's |
| Rob Mancini | C | 2008-2008 | University at Buffalo, Kalamazoo Valley CC |
| Adam Mancour | P | 2019-2019 | North Alabama |
| Ben Mancuso | P | 2005-2008 | Creighton |
| Drew Mancuso | UT | 2015-2018 | the South |
| Jerry Mancuso | IF-P | 2009-2012 | Saint Louis |
| Joe Mancuso | C | 2012-2014 | Nebraska at Omaha, Bellevue |
| Joey Mancuso | C | 2012-2016 | Saint Louis, Creighton, Rockhurst |
| Josh Mancuso | P | 2019-2021 | Nicholls State, Paris Junior College |
| Mike Mancuso | P | 2013-2016 | Georgia |
| Nick Mancuso | IF-P | 2018-2021 | La Salle, Mercer County CC, Millersville Pennsylvania |
| Sal Mancuso | 3B | 2002-2004 | Fairfield |
| Josh Mandarino | P | 2001-2002 | Western Michigan, Lake Michigan College |
| Jared Mandel | P | 2014-2016 | Iowa |
| Dionte Mandeldove | IF | 2011-2013 | Grambling State |
| Joe Mandele | P-IF | 2005-2006 | Western Illinois |
| Jake Manderson | C | 2020-2020 | George Mason |
| David Mandley | C-1B | 2001-2004 | Santa Clara |
| Jason Mandryk | P | 1999-2002 | East Carolina |
| Cirilo Manego | P | 2005-2008 | Florida A&M |
| Clay Manering | P | 2012-2014 | Ball State, Parkland College |
| Mason Maners | OF | 2021-2021 | Jacksonville State |
| Nick Manesis | OF | 2019-2021 | Army |
| Rob Manetta | P | 2021-2021 | SUNY - Albany |
| Tyler Manez | P | 2013-2016 | Elon |
| Shawn Manfredo | COACH | 2002-2002 | Plymouth State University |
| Connor Mang | 1B | 2017-2021 | New Mexico |
| Jessel Mangal | P | 2005-2007 | Niagara |
| Anthony Mangano | UT | 2021-2021 | Iowa |
| Kevin Mangels | 1B | 2003-2005 | St. Mary's (CA), UC Riverside, Chabot College |
| Dillon Mangham | P | 2013-2015 | Stephen F. Austin, Temple College |
| Maveric Mangham | SS | 2006-2006 | Alabama A&M |
| Daniel Mangiapani | P | 2003-2005 | Duke |
| Brett Mangigian | P | 2003-2007 | Longwood |
| Anthony Mangione | IF | 2003-2004 | New York Tech |
| Mark Mangione | SS | 1980-1980 | Kentucky, Morehead State |
| Ricky Mangione | P | 2010-2013 | Seton Hall |
| Jake Mangler | IF | 2011-2015 | Iowa |
| Bijan Mangouri | IF | 2010-2013 | Binghamton |
| Steve Mangrum | 3B | 2016-2019 | Virginia Tech, Tampa |
| Devin Mangum | OF | 2017-2020 | Furman, Mars Hill College |
| John Mangum | C | 2013-2016 | NC State, Lander |
| Marcus Mangum | P | 2013-2013 | Miss. Valley St |
| Parker Mangum | P | 2004-2004 | St. Mary's (CA) |
| Cully Mangus | P | 2019-2021 | Stephen F. Austin |
| Steve Maniago | IF | 2011-2014 | Purdue |
| Dylan Manichia | IF | 2015-2016 | Nicholls State, Jones County Junior College |
| Brady Manifold | C-P | 2004-2007 | Belmont |
| Ryan Manikowski | P | 2021-2021 | Creighton |
| Drake Maningo | UTL | 2018-2021 | Seattle |
| Bill Manion | OF | 2007-2009 | High Point, Central Florida CC |
| Danny Manion | 1B-3B | 2020-2021 | St. Bonaventure |
| Joe Manion | P | 2013-2015 | Longwood, Saint Joseph's |
| Brett Manis | P | 2018-2021 | Ohio |
| Jason Manis | C | 2012-2013 | Tennessee |
| Josh Manis | P | 2002-2003 | Wright State |
| Reece Maniscalco | P | 2017-2021 | Wofford, Coastal Carolina |
| Max Manix | P | 2010-2010 | Gonzaga |
| Fred Manke | P | 2015-2018 | Minnesota |
| Anthony Manley | I-OF | 2006-2009 | Duquesne |
| Greg Manley | OF | 2006-2007 | Louisiana-Monroe |
| Adam Mann | C | 2008-2012 | Stephen F. Austin, Concordia University |
| Blake Mann | OF | 2018-2021 | UC Santa Barbara, College of the Canyons, St. Mary's (CA) |
| Bradley Mann | H | 2005-2006 | Alabama State |
| Clint Mann | IF | 2006-2007 | Sam Houston State, San Jacinto |
| David Mann | IF | 2002-2004 | Central Florida |
| Ethan Mann | IF | 2019-2021 | New Mexico State, Midland |
| Gabe Mann | OF | 2003-2004 | UC Santa Barbara |
| Kevin Mann | P | 2009-2010 | Indiana State, Wabash Valley College |
| Matt Mann | C | 2001-2004 | Tulane |
| Max Mann | OF | 2005-2008 | Northwestern |
| Nathan Mann | C | 2012-2015 | Brown |
| Payton Mann | C | 2015-2017 | Georgia State, UWGA, Darton College |
| Pervis Mann | P | 2012-2012 | Grambling State, East Central CC |
| Rhian Mann | P | 2018-2020 | Kennesaw State, Ga Gwinnett |
| Ryann Mann | OF | 2002-2002 | Western Illinois |
| Steven Mann | CF | 2018-2019 | Duke |
| Tanner Mann-Fix | OF | 2016-2016 | Appalachian State |
| Andrew Mannello | P | 2011-2011 | Hartford |
| Joseph Mannelly | P | 2018-2021 | Georgia Tech |
| Steve Mannenbach | 3B | 2004-2006 | Davidson College, Rollins |
| Justin Mannens | 2B-SS | 2018-2019 | UC Riverside |
| Vincent Mannese | P | 2002-2002 | St. John's |
| Andrew Manning | IF-C | 2008-2011 | Alabama-Birmingham |
| Andrew Manning | H | 2009-2009 | Appalachian State, Mount Olive College |
| Brady Manning | OF | 2018-2018 | Abilene Christian, Grayson County College |
| Brett Manning | 1B-P | 2005-2008 | Pacific |
| Cade Manning | IF | 2021-2021 | Texas State |
| Chris Manning | P | 2006-2008 | Belmont |
| Chris Manning | OF | 2011-2014 | Valparaiso |
| Collin Manning | C-P | 2012-2015 | Holy Cross |
| Erik Manning | OF | 2012-2012 | Morehead State, Pikeville College |
| Garrett Manning | P | 2011-2011 | New Orleans, North Iowa Area CC |
| Hayden Manning | P | 2016-2019 | Hartford, Southern New Hampshire |
| Jamie Manning | P | 2008-2008 | Alabama, Wallace State CC |
| Joey Manning | OF | 2008-2010 | Vanderbilt, Rollins |
| John Manning | P | 2001-2003 | Hartford |
| Josh Manning | P | 2008-2008 | SE Missouri State, Three Rivers CC |
| Justin Manning | C-IF | 2012-2015 | UNC Wilmington, Mount Olive College |
| Matt Manning | P | 2006-2010 | Central Florida, Eastern FL ST, Mercer |
| Miles Manning | IF | 2013-2016 | Sam Houston State, McLennan CC |
| Nathan Manning | OF | 2020-2021 | California |
| Timmy Manning | P | 2021-2021 | Florida |
| Wade Manning | OF | 1977-1977 | Ohio State |
| Danny Mannion | UT | 2014-2016 | Saint Louis |
| Jordan Mannisto | P | 2011-2012 | Houston |
| Chuck Manns | OF | 1999-1999 | Maryland |
| Marvin Manns | OF | 2001-2002 | Texas-Pan American, Crowder |
| Mike Manns | P | 2004-2007 | Eastern Illinois |
| Anthony Mannuccia | P | 2010-2014 | Hartford, Central Ct State |
| Gary Mannuzza | C | 2001-2005 | Fairleigh Dickinson |
| Connor Manola | C | 2019-2020 | SE Louisiana |
| Mike Manoogian | IF | 2016-2019 | La Salle, Catawba College. |
| Daniel Manos | P | 2008-2010 | Kansas, Santa Ana College, CSU-Pueblo |
| Connor Manous | P | 2018-2021 | Indiana |
| Deric Manrique | OF | 2005-2009 | Northern Iowa, Nebraska |
| Mason Manriquez | P | 2021-2021 | Duke |
| Armando Manrrique | P | 2012-2016 | Grambling State, Texas A&M International |
| Daniel Manry | --- | 2003-2003 | Nicholls State |
| Brian Mansfield | P | 2004-2004 | Coastal Carolina |
| Conald Mansfield | OF | 2010-2010 | Centenary College, Bossier Parish CC, South Carolina-Beaufort |
| Matt Mansfield | H | 2006-2006 | Coppin State College |
| Nolan Mansfield | C | 2010-2011 | Kansas |
| Quentin Mansfield | P-1B | 2014-2015 | New Mexico State |
| Robby Mansfield | IF | 2012-2014 | Pacific |
| Ryan Mansfield | IF | 2013-2013 | SIU-Edwardsville |
| Tim Mansfield | IF-OF | 2013-2017 | High Point, Louisburg College |
| Scott Manshack | P | 2001-2004 | North Carolina |
| Chris Manship | C | 2009-2012 | Kansas |
| Kevin Manson | P | 2007-2010 | Illinois |
| Ashton Mansur | P | 2018-2021 | Northern Colorado, Midland College, Arizona Western College |
| Joe Mante | C-P | 2003-2006 | William and Mary |
| TJ Manteufel | IF | 2021-2021 | Bradley |
| Ryan Manthei | IF | 2004-2007 | Valparaiso |
| Stephen Manthei | P | 2010-2013 | Arizona |
| Connor Manthey | C-IF | 2019-2021 | Bradley |
| Bailey Mantilla | P | 2019-2019 | Miami |
| Matt Mantione | OF | 2003-2005 | Radford |
| Mason Mantle | IF | 2013-2016 | Oral Roberts, Northeast Texas CC |
| Milan Mantle | P | 2013-2014 | Rhode Island, Walters State CC |
| Ryan Mantle | IF | 2016-2021 | Missouri State, Jefferson College, Creighton |
| Jeff Manto | 3B | 2018-2021 | Villanova |
| Justin Manton | P | 2014-2014 | Louisiana-Monroe |
| Ryne Mantooth | P | 2006-2009 | Louisville, Austin Peay |
| James Mantzanis | P | 2003-2005 | University at Buffalo, Erie CC, Western Kentucky |
| Peter Mantzanis | P | 2006-2007 | Middle Tenn State |
| John Manuel | IF | 2002-2003 | Purdue, Glendale CC CA |
| Kaleb Manuel | P | 2012-2013 | SE Louisiana, LSU-Eunice |
| Trevor Manuel | OF | 2004-2004 | Western Michigan, Lenoir-Rhyne College |
| Dienston Manuela | P | 2014-2016 | Niagara |
| Nic Manuppelli | P | 2011-2014 | Youngstown State |
| Zac Manuppelli | P | 2014-2016 | USC-Upstate, Lock Haven Pennsylvania |
| Tony Manville | P | 2008-2012 | Iowa, Northern Illinois |
| Ryan Manz | P | 2015-2019 | Stephen F. Austin, Trinity |
| Cody Manzella | OF-P | 2012-2015 | High Point |
| Kash Manzelli | IF | 2011-2014 | Navy |
| Nolan Manzer | P | 2021-2021 | Norfolk State |
| Efrain Manzo | IF | 2021-2021 | Santa Clara |
| Luke Manzo | IF | 2016-2019 | College of Charleston |
| Mickey Manzo | P | 2002-2003 | San Jose State, Cerritos College |
| Austin Mapes | OF | 2014-2018 | The Citadel, Erskine College |
| Mark Mapes | OF | 1995-1996 | South Carolina, Notre Dame |
| Steve Mapes | 3B | 2002-2002 | Vermont |
| Bryan Maples | C | 2001-2004 | Bethune-Cookman |
| Michael Maples | P | 2006-2008 | UNC Charlotte |
| Jace Mapston | P | 2021-2021 | Arkansas-Pine Bluff, Paris Junior College |
| Luke Mara | P | 2004-2005 | Bucknell |
| Blake Marabell | OF | 2017-2021 | North Florida, Central Florida CC |
| Chris Marando | IF | 2003-2003 | Cornell |
| Matthew Maranges | IF | 2005-2008 | Georgetown |
| Chris Marangon | P | 2012-2013 | Ball State, Edmonds CC |
| Albert Marano | OF | 2001-2004 | Quinnipiac |
| Chris Maranto | IF | 2014-2017 | Butler |
| Nick Marascia | P | 2001-2004 | Le Moyne |
| Jake Marasco | OF | 2009-2012 | Kansas |
| Matt Marasco | 1B | 2005-2006 | Kansas State |
| Eric Marasheski | IF | 2019-2020 | Princeton |
| Josh Marazzito | 2B | 2009-2009 | Ark-Little Rock, Polk State, St. Johns River CC |
| Luke Marbach | IF | 2017-2021 | Texas A&M-Corpus Christi |
| Dixon Marble | P | 2014-2016 | Arkansas-Pine Bluff, New York Tech, College of The Siskiyous |
| Donovan Marbury | P | 1998-1998 | Southern Miss |
| Will Marcal | P-OF | 2012-2015 | Brown |
| Jerrod Marcangeli | P | 2001-2002 | New Mexico State, Eastern Oklahoma State College |
| David Marcano | IF | 2018-2021 | New Jersey Tech |
| Julio Marcano | IF | 2018-2021 | New Jersey Tech |
| Josh Marceaux | P | 2008-2008 | McNeese State |
| David Marcelino | P | 2012-2014 | Fairleigh Dickinson |
| Jimmy Marcelli | IF | 2017-2020 | Presbyterian College, Catawba Valley |
| Craig Marcellus | P | 2007-2010 | Siena College |
| Austin March | OF | 2012-2015 | UC Davis |
| Blake Marchal | IF | 2010-2013 | Central Arkansas, Alvin CC |
| Matthew Marchal | P | 2020-2021 | Furman, Wofford |
| Garrett Marchand | 3B-1B | 2017-2017 | James Madison |
| Gabe Marchant | OF | 2007-2008 | College of Charleston, Howard College |
| Oscar Marchena | IF | 2016-2019 | Massachusetts-Lowell |
| Josh Marchese | IF | 2019-2021 | Niagara |
| Pete Marchineck | P | 2020-2021 | Towson |
| Ryan Marchini | OF | 2004-2005 | Rider |
| Anthon Marchioli | P | 2005-2005 | University at Buffalo |
| Blaine Marchman | C | 2020-2021 | Georgia State |
| Knox Marchman | 3B | 2016-2016 | Savannah State, East Georgia |
| Jacob Marchus | P | 2011-2013 | Manhattan College |
| Mike Marchyshyn | P | 2003-2005 | Marshall, Iowa Central CC |
| Tony Marciante | OF | 2004-2004 | Pittsburgh |
| Wally Marciel | P | 2007-2011 | Kansas |
| Christian Marcin | P | 2014-2014 | Penn State, Penn State Berks-Lehigh Valley College |
| Thomas Marcin | P | 2007-2010 | Kansas |
| Dave Marciniak | IF | 1999-1999 | Rutgers |
| Alexander Marco | OF | 2017-2021 | Utah Valley U, Cochise College |
| Dom Marcoccio | P | 2021-2021 | Wofford |
| Chris Marconcini | IF-OF | 2011-2015 | Duke, Florida State |
| Ross Marconi | OF | 2002-2002 | Kent State |
| Jacob Marcos | OF | 2019-2021 | Gardner-Webb, Catawba Valley, Barton College |
| Max Marcotte | P | 2017-2020 | Belmont, CC of Rhode Island |
| Ryan Marcoux | IF | 2005-2006 | Manhattan College |
| Joey Marcozzi | OF | 2000-2003 | Towson |
| Austin Marcus | P | 2014-2014 | Bucknell |
| Jacob Marcus | P | 2019-2021 | Richmond |
| Jeff Marcus | P | 2002-2002 | Middle Tenn State |
| Sims Marcus | P | 2004-2004 | Florida A&M |
| Spencer Marcus | OF | 2019-2021 | Niagara, Dodge City CC |
| Danny Marcuzzo | IF | 2011-2012 | Western Illinois, Coffeyville CC |
| Matt Mardesich | IF | 2008-2011 | Portland |
| Matt Mardeusz | 3B | 2004-2007 | St. Bonaventure |
| Alex Mardiney | OF | 2018-2019 | Davidson College |
| Matt Maready | P | 2014-2016 | UNC Wilmington |
| Andrew Marek | OF | 2008-2009 | North Dakota, Iowa Central CC |
| Jeramie Marek | SS | 2009-2012 | Texas A&M-Corpus Christi |
| Matt Marek | C | 2005-2006 | Campbell, Iowa Central CC |
| Mike Marella | P | 2021-2021 | Fairfield |
| Mason Marenco | IF | 2019-2021 | Gonzaga |
| Spencer Marentette | IF | 2012-2015 | Oakland |
| Bobby Mares | P | 2010-2012 | New Mexico |
| Mike Marg | P | 2007-2007 | Pennsylvania |
| Matt Margaritonda | P | 2012-2015 | Marshall |
| Vinny Margiotta | IF | 2016-2019 | Pacific, Solano CC (CA), Cal State Stanislaus |
| Jacob Margroff | OF | 2018-2021 | Butler |
| Sam Margulis | OF | 2018-2021 | Villanova |
| Dylan Maria | OF-P | 2020-2021 | La Salle |
| Jason Marian | 1B-P | 2001-2002 | San Diego, Saddleback College |
| Chris Mariani | C | 2021-2021 | Iona College |
| Mike Mariano | C | 2008-2011 | Pennsylvania |
| Michael Marietta | C | 2010-2013 | Central Arkansas |
| Nick Marigny | IF | 2013-2014 | Jackson State |
| TJ Marik | C | 2015-2018 | Austin Peay, Northern Kentucky |
| Garrett Marin | P | 2011-2011 | George Mason |
| Oscar Marin | P | 2003-2004 | Ark-Little Rock, Los Angeles Valley College |
| Tyler Marinaccio | P | 2020-2021 | Maine |
| Chris Marinak | P | 1999-2002 | Virginia |
| Nick Marinconz | IF | 2020-2021 | Cal Poly |
| Alex Marinelli | C | 2016-2019 | Marist |
| Frankie Marinelli | OF | 2021-2021 | Manhattan College |
| Ricky Marinello | H | 2006-2007 | Fairleigh Dickinson |
| Marcus Maringola | OF | 1999-2002 | Liberty |
| Matt Marini | P | 2017-2020 | UC Irvine, St. Johns River CC, South Florida |
| Scott Marinier | P | 2010-2013 | Central Michigan |
| Anthony Marino | OF | 2005-2008 | Nicholls State |
| Charlie Marino | OF | 2000-2000 | SE Missouri State |
| Chris Marino | P | 2005-2008 | Wagner |
| James Marino | C | 1999-2002 | Davidson College |
| Justin Marino | IF | 2019-2021 | Texas-Arlington |
| Phil Marino | IF | 2002-2005 | La Salle |
| Tom Marino | OF | 2006-2006 | UMD-Baltimore Cty, Stonehill College |
| Trevor Marino | 1B | 2013-2014 | Va. Commonwealth, West Valley College |
| Billy Marion | P | 2016-2021 | Northern Kentucky |
| Chayse Marion | IF | 2013-2014 | McNeese State, Trinidad State Junior College |
| Eric Marion | 2B-3B | 2006-2009 | High Point |
| Blaise Maris | C-IF | 2017-2021 | High Point, South Florida CC, Florida Tech |
| Marco Mariscal | P | 2009-2012 | Dartmouth |
| McHale Maristuen | P | 2009-2010 | North Dakota State, Williston State College |
| Travis Maritza | --- | 2020-2020 | Sacramento State |
| Aaron Markel | C | 2003-2005 | UCLA |
| Josh Markel | P | 2013-2015 | Central Arkansas, Hutchinson CC |
| Zach Markel | 1B | 2013-2014 | Norfolk State, Potomac State College of WVU |
| Jordan Marker | P | 2009-2012 | Wright State |
| Mike Markey | C | 2006-2006 | Eastern Michigan, Lansing CC |
| Ryan Markey | SS-3B | 2017-2020 | St. John's |
| Anthony Markham | P | 2008-2011 | Charleston Southern |
| Mitch Markham | COACH | 1994-1995 | Stetson |
| Connor Markl | P | 2021-2021 | Grand Canyon |
| Mike Markl | 2B | 1972-1972 | Texas |
| Braxton Markle | P | 2015-2018 | Central Michigan |
| Josh Markle | IF | 2003-2004 | Southern Illinois, Treasure Valley CC |
| Kyle Markle | P | 2002-2005 | Cincinnati |
| Jeff Markley | 3B | 2003-2003 | Wake Forest |
| Austin Markmann | IF-P | 2017-2021 | Sacred Heart |
| Alex Markopoulos | P-IF | 2020-2020 | Bucknell |
| Brian Markoski | 1B-OF | 2017-2020 | Saint Joseph's, Scranton |
| Leo Markotic | IF-OF | 2019-2021 | Texas A&M-Corpus Christi, Jefferson College |
| Aaron Markowitz | P | 2004-2006 | Penn State |
| Mike Markowski | IF | 2003-2003 | Rider |
| Dan Markoya | P | 2009-2010 | Central Ct State, Otero Junior College |
| Andy Marks | P | 2006-2007 | Kansas |
| Chris Marks | P-1B | 2006-2006 | High Point, Lander |
| Jake Marks | P | 2013-2016 | Maine |
| Jarred Marks | P | 2013-2013 | Xavier, New Orleans |
| Jordan Marks | P | 2018-2021 | USC-Upstate |
| Marcus Marks | C | 2005-2007 | Texas Southern |
| Rick Marks | P | 2010-2012 | Cornell |
| Ryan Marks | P | 2014-2017 | Columbia |
| Stephen Marks | P | 2008-2008 | Le Moyne |
| Kyle Markum | C | 2012-2015 | Lamar, Wharton County Junior College |
| Erik Markwat | P | 2013-2015 | Charleston Southern, North Greenville |
| Carlos Markyna | P | 2003-2005 | Savannah State |
| Davis Marlar | C | 2013-2014 | Army |
| Kyle Marlatt | P | 2004-2005 | Texas A&M, San Jacinto |
| Calvin Marley | P-OF | 2019-2020 | Wichita State |
| Matt Marley | P | 2010-2013 | Iona College |
| Rick Marlin | OF | 2006-2009 | Penn State |
| Chris Marlow | P | 2004-2006 | Belmont |
| Ty Marlow | IF | 2011-2015 | Texas A&M, Texas, McLennan CC |
| Dewayne Marlowe | P | 2003-2003 | Alabama |
| Gilbert Marlowe | IF-OF | 2006-2007 | Saint Louis, Southwestern Illinois College |
| Tyler Marmion | SS | 2009-2009 | San Diego State, Cypress College |
| Michael Marmo | C | 2006-2009 | Quinnipiac |
| Ronny Marmol | C | 1999-2001 | College of Charleston |
| Billy Marn | 1B-OF | 2004-2006 | Virginia Tech, Old Dominion |
| Matt Marnati | OF | 2010-2013 | California Baptist |
| Nick Marola | IF | 2020-2021 | Massachusetts-Lowell |
| Jared Marolf | P | 2017-2018 | Kansas State |
| Patrick Maronde | P | 2013-2014 | Samford |
| Kevin Maroney | IF-OF | 2010-2010 | Monmouth |
| Jason Marono | P | 2020-2021 | Alabama A&M |
| Keegan Maronpot | IF | 2015-2017 | Wake Forest |
| Matt Maropis | IF | 2003-2006 | Maryland |
| Pete Maropis | IF | 2001-2004 | Duquesne |
| Ed Marotta | OF | 2002-2004 | Sacred Heart |
| Jacob Marotta | IF | 2014-2017 | Bryant University |
| Joe Marotta | P | 2013-2015 | Central Florida, Central Florida CC |
| Matt Marotta | SS-2B | 2008-2008 | New Jersey Tech |
| Austin Marozas | P | 2019-2021 | Kentucky, San Jacinto, UNC Charlotte |
| Vince Marquard | OF | 2010-2010 | Cleveland State |
| AJ Marquardt | OF | 1993-1994 | Columbia Basin College, Oregon State |
| Evan Marquardt | P | 2016-2019 | Ball State, Davenport University |
| John Henry Marquardt | 3B | 2005-2006 | Arkansas, New Mexico JC |
| Nathan Marquardt | C | 2005-2009 | Western Michigan |
| Barry Marquart | P | 1999-1999 | North Florida |
| Chris Marquart | C-1B | 2018-2021 | Saint Peter's |
| Mark Marquess | 1B | 1969-1969 | Stanford |
| Adrian Marquez | OF | 2015-2019 | Wright State, Tennessee Wesleyan College |
| Alex Marquez | OF | 2021-2021 | Loyola Marymount |
| Brian Marquez | P | 2018-2021 | UC Irvine, Fullerton College, Colorado Springs |
| Christian Marquez | P | 2014-2016 | Louisiana Tech, Odessa |
| Christian Marquez | P | 2017-2018 | Grambling State |
| Danny Marquez | C | 2005-2006 | Florida Intl |
| Jake Marquez | IF | 2021-2021 | Maine |
| Jakob Marquez | C | 2021-2021 | Washington State |
| Jason Marquez | P | 2014-2016 | Maryland-Eastern Shore, Pasadena City College |
| Mason Marquez | IF | 2019-2021 | UC Santa Barbara |
| Stephen Marquez | OF | 2006-2007 | Wright State, Sacramento City College |
| Adam Marr | P | 2002-2006 | Lehigh |
| Travis Marr | P | 2017-2019 | Clemson, San Diego State |
| Andrew Marra | P | 2016-2019 | Lafayette College |
| Andrew Marra | OF | 2020-2021 | Georgetown |
| Andrew Marra | P | 2012-2015 | Toledo |
| Daniel Marra | IF | 2009-2013 | South Dakota State |
| Gino Marra | P | 2020-2021 | UNC Asheville |
| Michael Marra | P | 2018-2019 | South Alabama |
| Ryan Marra | 1B-OF | 2020-2020 | Brown |
| Tom Marra | P | 2010-2013 | Holy Cross |
| Michael Marrale | C | 2019-2021 | Old Dominion |
| Chris Marras | C | 2014-2016 | Butler |
| Peter Marren | 1B-3B | 2018-2021 | Bucknell |
| Andre Marrero | OF | 2017-2021 | Quinnipiac |
| Benigno Marrero | IF-OF | 2013-2013 | UNC-Greensboro |
| Carlos Marrero | 1B | 2001-2002 | Bethune-Cookman |
| Dominick Marrero | P | 2006-2006 | Southern |
| Jorge Marrero | P | 2014-2017 | Florida Atlantic, Broward College, Hofstra |
| Nick Marrero | C | 2019-2021 | Hofstra, Chipola, Hillsborough CC |
| Nin Marrero | IF-OF | 2014-2014 | UNC-Greensboro |
| Tito Marrero | 1B-OF | 2010-2013 | Long Island-Brooklyn |
| Wilmy Marrero | IF | 2009-2012 | Texas Southern, Southern, Alvin CC |
| Kevin Marrie | P | 2004-2006 | Coastal Carolina |
| David Marriggi | P | 2015-2018 | Towson |
| Alex Marro | P | 2017-2019 | South Dakota State, McHenry County College |
| Mike Marron | C | 2002-2005 | Holy Cross |
| Greg Marrone | P | 2006-2008 | Western Michigan |
| Troy Marrow | IF | 2011-2015 | North Carolina Central |
| Daniel Marrs | P | 2009-2012 | Wake Forest |
| Kenny Marrs | OF | 2002-2003 | Indiana, Olney Central College |
| Nick Marrs | P | 2006-2007 | Middle Tenn State, North Alabama |
| Drew Marrufo | C | 2019-2019 | New Mexico |
| Eric Marrujo | P | 2021-2021 | UC Riverside |
| Paul Marsala | P | 2003-2006 | Missouri State |
| Charles Marsalis | P | 2008-2010 | Alcorn State, Alabama State |
| Alex Marse | IF | 2010-2013 | SE Louisiana |
| Jakob Marsee | OF | 2020-2021 | Central Michigan |
| Ben Marsh | IF | 2003-2003 | Appalachian State, Lenoir CC |
| Blake Marsh | IF | 2020-2020 | Wichita State |
| Brandon Marsh | OF | 2006-2007 | Virginia, Young Harris College |
| Brent Marsh | P | 2005-2006 | South Carolina, Tallahassee CC |
| Chris Marsh | IF | 2003-2006 | Vermont |
| Cole Marsh | P | 2018-2018 | Mississippi State, Mississippi Delta CC |
| Dan Marsh | OF | 2010-2011 | Wright State, Sinclair CC |
| Danny Marsh | P | 2014-2017 | Wagner |
| Dillon Marsh | P | 2019-2021 | Kentucky, Oklahoma State |
| Dylan Marsh | P | 2017-2021 | Louisiana-Monroe, East Central CC, Mississippi College |
| Kyle Marsh | P-IF | 2015-2019 | Central Florida, Embry-Riddle |
| Michael Marsh | IF | 2020-2021 | UC Santa Barbara |
| Patrick Marsh | C | 2013-2013 | Texas |
| Preston Marsh | 1B-3B | 2013-2016 | New Orleans, New Mexico JC |
| Trevor Marsh | OF | 2020-2021 | UNC Wilmington |
| Ben Marshall | H | 2008-2008 | Northern Iowa |
| Ben Marshall | P | 2009-2012 | Georgia State |
| Benji Marshall | UT | 2006-2007 | Richmond |
| Blake Marshall | P | 2019-2021 | Louisiana-Lafayette, Hinds CC |
| Brett Marshall | P | 2018-2019 | Kentucky |
| Cameron Marshall | OF-P | 2014-2017 | Davidson College |
| Chad Marshall | IF | 2008-2011 | Stony Brook |
| Cody Marshall | P | 2014-2017 | Long Beach State, Houston Baptist, Golden West College |
| Colin Marshall | P | 2006-2008 | Chicago State |
| Cooper Marshall | IF | 2016-2019 | Western Michigan, Kellogg CC |
| Dan Marshall | P | 2005-2005 | Samford |
| Danny Marshall | P | 2020-2021 | Arizona State, Chandler-Gilbert CC |
| David Marshall | P | 2015-2015 | Seattle |
| Demetrius Marshall | P | 2005-2006 | Grambling State |
| Derek Marshall | IF-OF | 2018-2020 | New Mexico, Cal Poly Pomona |
| Eric Marshall | P | 2006-2010 | Texas Christian |
| Gabe Marshall | P | 2009-2009 | UW Milwaukee, Kishwaukee College |
| Greg Marshall | 2B-OF | 2005-2006 | Southern Utah, Southern Nevada |
| Greg Marshall | OF | 1971-1971 | San Jose State |
| Jared Marshall | P | 2000-2004 | Eastern Illinois |
| John Marshall | C | 2002-2003 | Alabama, Brookhaven College |
| Jon Marshall | OF | 2004-2005 | Cal Poly, Chabot College |
| Josh Marshall | P | 2008-2011 | Canisius College |
| Kendrick Marshall | P | 2002-2005 | Jackson State |
| Kevin Marshall | OF | 2002-2002 | Louisiana Tech |
| Logan Marshall | OF | 2008-2009 | Lehigh |
| Mason Marshall | P | 2012-2017 | Brigham Young |
| Michael Marshall | P | 2015-2015 | Bryant University |
| Myles Marshall | OF-IF | 2016-2018 | Norfolk State, Rogers State |
| Nick Marshall | C | 2014-2015 | Texas Tech, Panola College |
| Patrick Marshall | 1B-OF | 2012-2015 | Radford |
| Payton Marshall | OF | 2015-2019 | Memphis, Walters State CC |
| Richard Marshall | P | 1974-1974 | Lamar |
| Ronald Marshall | H | 2007-2008 | Grambling State |
| Ryan Marshall | P | 2004-2004 | Central Ct State |
| Shane Marshall | C | 2019-2021 | Georgia |
| Shane Marshall | OF | 2018-2021 | Binghamton |
| Tyler Marshall | IF | 2015-2017 | Kentucky |
| Derek Marshalsea | P | 2010-2013 | Delaware State |
| Casey Marshalwitz | P | 2020-2021 | Youngstown State |
| Chris Marsicano | OF | 2006-2009 | George Washington |
| Michael Marsinek | P | 2013-2016 | Eastern Michigan |
| Jack Marsjanik | OF | 2017-2020 | Oberlin College |
| Ryan Marske | P | 2014-2017 | Miami |
| Ryan Marsland | P | 2001-2004 | Liberty |
| Blake Marsocci | P | 2006-2009 | Stetson |
| Keene Marstrell | H | 2008-2008 | Akron |
| Zachary Marszal | OF | 2014-2016 | North Carolina Central, McHenry County College |
| Carlos Marte | IF | 2019-2021 | Elon |
| William Marte | P | 2020-2020 | Fairleigh Dickinson |
| Craig Martel | P | 2002-2003 | McNeese State, Grayson County College |
| Harry Martell | P | 1970-1971 | Maryland |
| Anthony Martelli | IF | 2014-2017 | New York Tech |
| Marco Martelli | 1B-OF | 2008-2008 | San Diego State, Cypress College |
| Frankie Martello | IF-C | 2015-2019 | Flagler College |
| Ryan Marten | P-OF | 2006-2006 | Dartmouth |
| Evan Martens | P | 2014-2014 | SIU-Edwardsville |
| Marty Martens | P | 2013-2016 | Marist, East Stroudsburg Pennsylvania |
| Sean Martens | P | 2015-2017 | Central Michigan |
| Jake Marti | OF | 2019-2021 | Michigan, Heartland CC |
| Johnny Marti | IF | 2017-2021 | Lafayette College, Delaware, SUNY - Albany |
| John Martillotta | P-OF | 2013-2016 | Toledo |
| Aaron Martin | P | 2006-2009 | Illinois |
| Alex Martin | P | 2005-2006 | Michigan |
| Alex Martin | P | 2006-2008 | Clemson |
| Alex Martin | P | 2013-2015 | Tennessee-Martin, Jackson State CC |
| Andrew Martin | P | 2003-2005 | Gardner-Webb |
| Andrew Martin | IF | 2006-2009 | Kennesaw State |
| Andy Martin | P | 2004-2005 | San Diego, Texas Tech |
| Anthony Martin | P | 2006-2008 | UC Santa Barbara |
| Ariel Martin | C | 2004-2005 | Fairleigh Dickinson |
| Austin Martin | C | 2017-2021 | Iowa, Southeastern CC |
| B.J. Martin | P | 2007-2010 | St. John's, Marist |
| Bailey Martin | P | 2016-2019 | Miami |
| Billy Martin | P | 2010-2012 | Canisius College |
| Bobby Martin | IF | 2009-2012 | Valparaiso, Heartland CC, Ohio |
| Braden Martin | IF | 2013-2016 | Incarnate Word, New Mexico JC |
| Brandon Martin | OF-1B | 2012-2015 | Presbyterian College |
| Brandon Martin | P | 2017-2020 | Fordham |
| Brian Martin | 1B | 2008-2011 | Pacific |
| Brian Martin | OF | 2010-2011 | Bradley, College of DuPage |
| Brian Martin | OF-P | 2020-2020 | Michigan State |
| Brooks Martin | OF | 2009-2011 | Va Military Inst. |
| Brooks Martin | P | 2009-2010 | Central Missouri |
| Bruce Martin | 2B | 2016-2019 | Stetson, Miami-Dade College |
| Cal Martin | IF-OF | 2020-2021 | Stephen F. Austin |
| Carlos Martin | OF | 2002-2003 | Tennessee Tech, Hiwassee College |
| Casey Martin | IF | 2006-2010 | Indiana State, Notre Dame |
| Chris Martin | P | 2015-2019 | Kent State |
| Chris Martin | IF | 2020-2020 | Maryland-Eastern Shore |
| CJ Martin | P | 2013-2016 | Eastern Illinois, Black Hawk College, Mercer |
| Clay Martin | OF | 2015-2018 | The Citadel |
| Cody Martin | OF | 2005-2005 | Louisiana-Lafayette, Hill College |
| Cody Martin | UT | 2015-2018 | Sacramento State, Cal Poly Pomona |
| Cody Martin | 1B | 2012-2012 | Chipola, College of Charleston, Spartanburg Methodist |
| Colby Martin | P | 2012-2014 | Grambling State, Bossier Parish CC |
| Cole Martin | P | 2017-2021 | SE Louisiana, Delgado CC, Louisiana-Monroe |
| Connor Martin | P | 2020-2021 | UC Riverside |
| Cory Martin | P | 2008-2008 | Kent State |
| Craig Martin | P-OF | 2010-2010 | Indiana U.-Purdue U.-FW |
| D Martin | H | 2004-2004 | Alabama State |
| Dallas Martin | P | 2000-2003 | Oral Roberts |
| Daniel Martin | P | 2009-2009 | McNeese State |
| Danny Martin | C | 2018-2021 | Stetson |
| Daulton Martin | IF | 2017-2021 | Tusculum College |
| David Martin | C | 2020-2021 | California Baptist |
| Davy Martin | P-OF | 1999-2002 | Va. Commonwealth |
| Dawson Martin | UT | 2020-2021 | Boise State, Nevada |
| Derek Martin | IF | 2004-2008 | Coastal Carolina |
| Derek Martin | P | 2014-2018 | Louisiana-Monroe, Hinds CC |
| Dexter Martin | OF | 2016-2019 | Florida A&M |
| Doug Martin | C | 2009-2010 | Tennessee Tech |
| Drew Martin | 1B | 2006-2007 | South Carolina, Spartanburg Methodist College |
| Drew Martin | IF | 2006-2009 | NC State |
| Ed Martin | OF | 2011-2012 | Monmouth, Brookdale CC |
| Eli Martin | P | 2013-2016 | Kent State |
| Eli Martin | P | 2021-2021 | Tennessee-Martin |
| Elliott Martin | IF | 2012-2013 | Valparaiso, Saddleback College |
| Eric Martin | P | 2012-2014 | Tennessee |
| Evan Martin | OF-IF | 2009-2012 | Georgia Tech |
| Evan Martin | OF | 2020-2021 | Southern Illinois |
| George Martin | P | 2013-2016 | Columbia |
| Graham Martin | SS | 2006-2009 | Central Arkansas |
| Graham Martin | OF | 1999-2003 | SE Louisiana, Centenary College |
| Grant Martin | C | 2013-2015 | Texas |
| Greg Martin | P | 2006-2009 | UNC-Greensboro |
| Hayden Martin | IF | 2013-2016 | Ark-Little Rock, Northeast Texas CC |
| Jack Martin | IF | 2015-2015 | Eastern Illinois |
| Jackson Martin | IF-OF | 2013-2016 | Eastern Michigan |
| Jackson Martin | OF | 2014-2017 | Seton Hall |
| Jake Martin | P | 2020-2021 | Georgia Southern |
| Jared Martin | C | 2013-2015 | South Carolina, Chattahoochee Val |
| Jared Martin | 1B | 2018-2021 | Stephen F. Austin, New Mexico |
| Jason Martin | C-1B | 2003-2004 | SUNY - Albany |
| Javon Martin | IF | 2017-2019 | Charleston Southern, Florence-Darlington Tech |
| Jeff Martin | C | 2003-2004 | Northwestern State, North Central Texas College |
| Jeff Martin | P | 1993-1996 | Illinois |
| Jesse Martin | C | 1999-2002 | UNC-Greensboro |
| Jim Martin | IF | 2002-2005 | St. John's |
| Joe Martin | OF | 2011-2012 | Southern Miss |
| Joe Martin | P | 2017-2019 | Northern Kentucky, Saint Catharine College |
| Joey Martin | OF | 2008-2011 | Maine |
| Joey Martin | P | 2019-2021 | Kansas State, McLennan CC, Dallas Baptist |
| John Martin | P | 2018-2018 | Monmouth |
| John Martin | P | 1979-1980 | Washington |
| Jordan Martin | IF | 2014-2017 | Maryland-Eastern Shore, Delaware Technical & CC |
| Jordan Martin | P | 2014-2017 | Indiana U.-Purdue U.-FW, Wabash Valley College |
| Josh Martin | C | 2013-2013 | St. Bonaventure |
| Julien Martin | P | 2018-2019 | Grambling State |
| Kenny Martin | OF | 2007-2008 | North Carolina Central |
| Kevin Martin | IF | 2007-2010 | North Florida |
| Lamertine Martin | H | 1978-1978 | LSU |
| Lance Martin | OF | 2010-2011 | Georgia |
| Mark Martin | IF | 2014-2014 | Bryant University |
| Michael Martin | P | 2011-2015 | Manhattan College |
| Michael Martin | P | 2012-2014 | Grambling State, Bossier Parish CC |
| Michael Martin | P | 2014-2018 | UC Irvine |
| Mike Martin | IF | 1999-2002 | Belmont |
| Mike Martin | P | 2009-2010 | Eastern Illinois |
| Nick Martin | P | 2014-2015 | Indiana State |
| Patrick Martin | OF-P | 2008-2012 | Bowling Green State |
| Patrick Martin | P | 2015-2019 | Hawaii, Heartland CC, Illinois-Chicago |
| Pete Martin | P | 2000-2002 | Eastern Illinois |
| Robert Martin | P | 2019-2021 | Air Force |
| Ryan Martin | OF | 2002-2005 | Memphis |
| Ryan Martin | P | 2003-2004 | Tulane |
| Ryan Martin | P | 2004-2006 | Illinois-Chicago |
| Ryan Martin | P | 2006-2009 | Texas-Arlington |
| Ryan Martin | P | 2010-2012 | Michigan State |
| Ryan Martin | P | 2010-2010 | Iona College |
| Ryan Martin | P | 2020-2021 | Iona College |
| Sam Martin | C | 2005-2007 | UNC-Greensboro, Mount Olive College |
| Sam Martin | 1B | 2016-2018 | George Washington, St. Petersburg College |
| Sean Martin | P | 2010-2012 | San Jose State, Ohlone College |
| Shayne Martin | SS-2B | 2007-2011 | Tennessee-Martin, Austin Peay |
| Stavone Martin | OF | 2007-2010 | Iowa, Florida A&M |
| Steve Martin | P | 2002-2005 | Appalachian State |
| Sully Martin | OF | 2015-2018 | Louisiana College |
| Taylor Martin | C | 2014-2016 | Southern Illinois, Walters State CC |
| Taylor Martin | P | 2012-2015 | Kentucky |
| Thomas Martin | P | 2001-2004 | Richmond |
| Tim Martin | P | 2005-2008 | The Citadel |
| Tim Martin | IF | 2009-2012 | Connecticut |
| Tim Martin | IF | 2019-2020 | Alabama-Birmingham, South Georgia College |
| Timothy Martin | OF | 2021-2021 | Arkansas-Pine Bluff |
| TJ Martin | C | 2015-2017 | Kansas, Pittsburg State |
| Tom Martin | 1B | 1999-2002 | Kent State |
| Tony Martin | C | 2006-2009 | South Dakota State |
| Travis Martin | P | 2006-2008 | North Florida |
| Trevor Martin | P | 2021-2021 | Oklahoma State |
| Trey Martin | P | 2004-2008 | Georgetown, Tulane |
| Trey Martin | OF | 2009-2011 | SE Louisiana, Jefferson State CC |
| Trey Martin | IF | 2016-2019 | Army |
| Troy Martin | P | 2003-2006 | Maine |
| Troy Martin | H | 2004-2004 | Arkansas State |
| Tyler Martin | C | 2007-2009 | Kent State |
| Tyler Martin | P | 2013-2015 | Central Florida, Valdosta State |
| Tyler Martin | C | 2015-2019 | Georgia Southern, St. Johns River CC |
| Tyler Martin | P | 2019-2021 | Nebraska |
| Tyler Martin | IF | 2020-2021 | Florida State |
| Vinnie Martin | OF | 2018-2021 | Massachusetts-Lowell |
| Vinny Martin | P | 2014-2018 | Iona College |
| Wade Martin | P | 2016-2020 | Marshall |
| Wesley Martin | P | 2017-2020 | Maryland-Eastern Shore, Shepherd University |
| Will Martin | IF | 2020-2021 | Winthrop |
| Xerxes Martin | P | 2005-2005 | Baylor |
| Zach Martin | 3B | 2009-2009 | Andrew College, Troy |
| Zack Martin | P | 2017-2019 | Notre Dame |
| Luke Martin-Resnick | P | 2016-2018 | Santa Clara |
| Brendly Martina | IF | 2017-2019 | Alcorn State, North Central Missouri College |
| David Martindale | 3B | 1999-2002 | Charleston Southern |
| Anthony Martine | P | 2014-2017 | Nevada, Southern Nevada, College of Idaho |
| Christian Martinek | P | 2016-2016 | Oregon State |
| Scott Martines | 1B | 1999-2002 | Hawaii |
| Aidan Martinez | P-IF | 2020-2020 | Arkansas-Pine Bluff |
| Alex Martinez | IF | 2007-2010 | Jacksonville |
| Alex Martinez | P | 2014-2014 | California, De Anza |
| Alex Martinez | IF-C | 2019-2021 | Prairie View A&M |
| Andrew Martinez | IF | 2005-2006 | UC Riverside, San Jacinto |
| Andrew Martinez | IF | 2013-2017 | UC Irvine, San Diego State |
| Andrew Martinez | OF | 2018-2020 | North Florida, Palm Beach State College, Embry-Riddle |
| Andruid Martinez | IF | 2016-2019 | Texas A&M-Corpus Christi, Ranger College |
| Anthony Martinez | OF | 2008-2008 | New Mexico, El Paso CC |
| Anthony Martinez | P | 2017-2020 | Coppin State College |
| Anthony Martinez | P | 2017-2017 | Texas Southern |
| Anthony Martinez | IF | 2017-2021 | Oral Roberts, Eastern Oklahoma State College |
| Austen Martinez | P | 2018-2021 | Marshall, Gateway CC, St. Thomas Aquinas |
| Carlos Martinez | P | 2008-2008 | Florida Intl |
| Chazz Martinez | P | 2019-2021 | UC Santa Barbara, Orange Coast College, Oklahoma |
| Daniel Martinez | IF | 2015-2016 | South Alabama |
| Daniel Martinez | P | 2017-2017 | UC Riverside |
| Danny Martinez | P | 2008-2008 | Florida Intl |
| Darryl Martinez | P | 2013-2014 | Coppin State College |
| Derek Martinez | P | 2021-2021 | NC A&T State |
| Diego Martinez | OF | 2011-2012 | Lipscomb, Mesa CC |
| Eddie Martinez | C | 2014-2014 | Arkansas-Pine Bluff |
| Elias Martinez | P | 2014-2017 | New York Tech |
| Eric Martinez | OF | 2004-2004 | Western Illinois, Los Angeles CC |
| Felix Martinez | OF | 1984-1985 | Florida, Palm Beach State |
| Fernando Martinez | P | 2014-2016 | Lamar, Wharton County Junior College |
| Frank Martinez | C | 2012-2013 | Cal State Bakersfield, East Los Angeles College |
| Gabe Martinez | C-IF | 2016-2019 | Air Force |
| Gama Martinez | 3B | 2015-2019 | Bowling Green State, Black Hawk College |
| Greg Martinez | P | 2020-2021 | Louisiana Tech |
| Henry Martinez | OF | 2020-2021 | Wagner |
| Hunter Martinez | IF | 2008-2009 | Sacramento State, Cosumnes River College |
| Isaac Martinez | P | 2013-2015 | Texas-Pan American |
| Izaak Martinez | P | 2020-2021 | UC San Diego |
| Jacob Martinez | P | 2013-2014 | Texas Southern |
| Jacob Martinez | C | 2016-2016 | Houston Baptist, Murray State College |
| Jake Martinez | C | 2016-2016 | Texas-Pan American |
| Javier Martinez | P-OF | 2004-2007 | Fordham |
| Jeff Martinez | P | 2002-2006 | Louisiana-Lafayette |
| Jimmy Martinez | IF | 2010-2011 | Western Michigan |
| Joe Martinez | P | 2019-2021 | Air Force |
| John Martinez | C-OF | 2010-2013 | Michigan State |
| John Martinez | UT | 2020-2020 | Seton Hall |
| Johnny Martinez | 1B | 2005-2008 | UNC Asheville |
| Jonathan Martinez | P | 2021-2021 | Texas State |
| Jordan Martinez | P | 2018-2021 | Texas Southern, Northeast Texas CC |
| Jose Martinez | C | 2015-2017 | Saint Peter's, Cumberland County College, Harford CC |
| Jose Martinez | P | 2018-2020 | Saint Joseph's |
| Josh Martinez | P | 2002-2003 | Louisiana-Monroe, Barton County CC |
| Josh Martinez | IF-P | 2012-2015 | Houston Baptist |
| Joshua Martinez | C | 2006-2008 | Navy |
| Joshua Martinez | OF | 2017-2020 | Lipscomb, Saint Thomas |
| Josue Martinez | OF | 2009-2010 | Coppin State College |
| Justin Martinez | OF | 2010-2011 | Northwestern State, Baton Rouge CC |
| Justin Martinez | P | 2010-2011 | Texas-San Antonio, Laredo CC |
| Lenny Martinez | C | 2012-2014 | Bethune-Cookman |
| Lucas Martinez | C | 2014-2017 | New Mexico State, Cal State San Bernardino |
| Luis Martinez | IF | 2015-2018 | Cal State Bakersfield, Bakersfield College |
| Luis Martinez | P | 2019-2021 | Incarnate Word, Coastal Bend College |
| Marc Martinez | P-IF | 2011-2014 | Centenary College |
| Marcos Martinez | P | 2009-2009 | Texas-Pan American |
| Matt Martinez | P | 2007-2008 | Campbell |
| Michael Martinez | H | 2011-2011 | Southern |
| Michael Martinez | P | 2008-2008 | Eastern Kentucky |
| Nick Martinez | IF | 2019-2019 | Coppin State College |
| Noah Martinez | IF | 2021-2021 | Central Ct State |
| Oscar Martinez | OF | 2018-2020 | Texas Southern, Richland College |
| P.J. Martinez | P | 2000-2002 | Georgetown |
| Paul Martinez | IF | 2013-2016 | Oregon State, Riverside CC, Cal State Los Angeles |
| Phillip Martinez | P | 2003-2004 | Northwestern State, El Paso CC |
| Quinton Martinez | P | 2018-2021 | Appalachian State, St. Petersburg College |
| Rafael Martinez | P | 2015-2018 | New Orleans, Miami-Dade College |
| Rene Martinez | P | 2011-2013 | UNC Asheville |
| Richard Martinez | OF | 2003-2004 | Texas State, Angelina College |
| Ricky Martinez | IF | 2019-2021 | Baylor |
| Rolando Martinez | IF | 2013-2016 | Oral Roberts, Bakersfield College |
| Ruben Martinez | IF | 2003-2004 | San Jose State, Los Angeles Harbor College |
| Ryne Martinez | OF | 2014-2016 | Siena College, Allen County CC |
| Sam Martinez | IF | 2007-2007 | Miami |
| Sebastian Martinez | P-IF | 2019-2021 | Austin Peay |
| Sebastian Martinez | P | 2017-2021 | La Salle, Anderson SC |
| Shane Martinez | SS | 2017-2020 | Arizona, Riverside CC, Hope Intl |
| Trey Martinez | C | 2016-2019 | Towson |
| Tyler Martinez | UT | 2021-2021 | San Francisco |
| Tyson Martinez | P | 1999-2000 | Iowa State |
| Victor Martinez | OF | 2002-2004 | College of Charleston |
| Vincent Martinez | C | 2019-2021 | Stanford |
| Yareb Martinez | IF | 2018-2021 | Georgetown |
| Zach Martinez | P-C | 2015-2019 | Texas-Pan American |
| Zach Martinez | OF | 2019-2020 | Towson, Guilford Tech |
| Ian Martinez-Mcgraw | P | 2014-2015 | Lipscomb, Otero Junior College |
| Boston Martinez-Neal | SS-2B | 2014-2016 | Alabama A&M |
| Kevin Martinis | P | 2015-2015 | Northeastern |
| Joe Martino | DH | 2008-2011 | Fairleigh Dickinson |
| Matt Martino | OF | 2004-2005 | Butler |
| Matthew Martino | 1B-OF | 2003-2006 | Long Island-Brooklyn |
| Mike Martino | P | 2002-2003 | Cornell |
| Jacob Martins | IF | 2018-2021 | Canisius College |
| Dan Martinson | P | 2013-2016 | Richmond |
| Joe Martinson | P | 2015-2015 | Minnesota |
| Manny Martir | P | 2010-2012 | Virginia Tech, Indian River CC |
| Andrew Martirano | H | 2008-2009 | Saint Peter's |
| Tyler Martis | IF | 2013-2016 | Siena College |
| Travis Martizia | P | 2018-2021 | Sacramento State |
| Steve Martlaro | P | 2005-2006 | USC |
| Dan Martony | P | 2010-2012 | Oral Roberts, Santa Barbara City College |
| Nathan Martorella | 1B | 2020-2021 | California |
| Vincent Martorelli | C | 2011-2012 | SUNY - Albany, Rockland CC |
| Josh Martsching | SS-P | 2013-2017 | Iowa |
| Brian Martutartus | IF | 2008-2010 | Wagner |
| Cole Marty | OF | 2007-2008 | Illinois State |
| Nathan Marty | IF | 2004-2005 | Tennessee Tech |
| Ben Martz | C | 2018-2018 | Cal State Northridge, UC Santa Barbara |
| Blake Martz | C | 2009-2012 | Troy |
| Dan Martz | SS | 1989-1992 | Wake Forest |
| Gino Marucci | OF | 2015-2018 | Houston, Louisiana-Monroe |
| Juan Marulanda | P | 2019-2021 | Jackson State, ASA Miami |
| Bryan Marulli | OF-P | 2002-2006 | Oakland |
| Tony Marulli | P | 2001-2004 | Oakland |
| Alex Maruri | UT | 2009-2012 | Elon, Delaware |
| Max Marusak | OF | 2019-2021 | Texas Tech |
| Joseph Marvel | C | 2015-2017 | New York Tech |
| Lance Marvel | OF-1B | 2010-2011 | Louisiana-Lafayette, Texarkana College |
| Jake Marvos | C | 2015-2017 | Utah Valley U, College of Southern Idaho |
| Caleb Marx | 1B | 2010-2011 | Texas A&M-Corpus Christi, Navarro College |
| Jimmy Marx | IF | 2016-2016 | Oakland |
| Mike Marx | 3B | 2005-2005 | Purdue |
| Phil Mary | P | 2016-2019 | Mount Union College |
| Arlo Marynczak | P | 2019-2021 | Siena College |
| Hayden Marze | P | 2014-2018 | Mississippi State, LSU-Eunice, Florida Southern |
| Ralph Marzella | IF | 2005-2008 | Iona College |
| Justin Marzett | IF | 2013-2015 | Grambling State |
| Kevin Marzion | P | 1999-2002 | Sacramento State, Alabama |
| Michael Marzonie | P | 2019-2021 | Boston College |
| Carlos Mas | IF | 2020-2021 | Alabama A&M |
| Ryan Mas | P | 2011-2014 | UNC Charlotte |
| Noah Masa | P | 2015-2019 | Illinois-Chicago |
| Richie Mascarenas | IF | 2019-2020 | Oregon State, Linn-Benton CC |
| Tim Mascari | P | 2005-2005 | Canisius College |
| Brian Mascaro | P | 2000-2003 | Hartford |
| Nick Mascelli | IF | 2014-2018 | Wagner |
| Nate Mascellino | P-OF | 2017-2021 | Niagara |
| Jon Masch | 1B-OF | 2009-2010 | Louisiana-Lafayette, Richland College |
| Mike Maschi | OF | 2011-2013 | Fairfield |
| David Maschino | P | 1982-1983 | Oklahoma, Seminole Florida |
| Gianni Masci | C | 2009-2009 | Hofstra |
| Nico Mascia | C | 2017-2019 | Tennessee |
| Tim Mascia | OF | 2003-2006 | Florida Atlantic |
| CJ Masciel | IF | 2020-2021 | California Baptist |
| Aaron Mascoe | C | 2010-2011 | Delaware, American River College |
| Chase Mascolo | IF | 2017-2020 | Wake Forest |
| Reed Mascolo | P | 2020-2021 | Seton Hall, Wake Forest |
| Anthony Mase | IF-OF | 2020-2020 | Davidson College |
| Austin Masel | OF | 2017-2021 | Holy Cross, Richmond |
| John Maser | IF | 2003-2005 | Manhattan College, C.W. Post Campus/Long Island |
| Brady Mashak | C | 2003-2006 | The Citadel |
| Anthony Masiello | P | 2020-2020 | Miami, Lynn |
| Jack Masin | P | 2012-2012 | Bowling Green State |
| Charles Masino | IF-OF | 2021-2021 | Pepperdine |
| Jake Maske | OF | 2021-2021 | Mt. St. Mary |
| Tanner Maskey | IF | 2016-2020 | Southern Nazarene, Rend Lake College, Graceland |
| Ethan Maskolunas | C | 2009-2011 | Stetson |
| Trey Maslin | SS-2B | 2017-2020 | North Carolina Central, Walters State CC |
| Jack Masloff | P | 2020-2021 | Va. Commonwealth |
| Rob Maslowski | P | 2004-2004 | Iona College, Concordia College |
| Aaron Mason | P | 2013-2016 | Abilene Christian, Fort Scott CC |
| Alex Mason | P | 2015-2016 | Oakland |
| Brandon Mason | --- | 2003-2005 | Southern |
| Brent Mason | IF | 2005-2006 | Marshall, Pratt CC |
| Brent Mason | P | 2012-2015 | Ark-Little Rock, Fort Scott CC |
| Cam Mason | p | 2019-2019 | Towson |
| Colin Mason | OF | 2019-2021 | Binghamton |
| Connor Mason | P | 2013-2013 | Rice |
| Dephillip Mason | OF | 2006-2007 | Florida Intl, Saint Thomas |
| Drew Mason | IF | 2008-2011 | Tennessee-Martin |
| Evan Mason | OF | 2014-2014 | Texas-Pan American, Marion Military Institute |
| Greg Mason | C | 2003-2006 | Saint Joseph's |
| Hunter Mason | OF | 2017-2020 | Saint Peter's |
| Hunter Mason | P | 2017-2021 | Texas-San Antonio |
| Jamey Mason | C | 1990-1990 | Liberty |
| Jevon Mason | OF | 2021-2021 | SE Missouri State |
| Jonathon Mason | OF | 2002-2005 | Coastal Carolina, UTRGV |
| Josh Mason | IF | 2012-2014 | William and Mary, Temple |
| Joshua Mason | OF-P | 2011-2014 | Stony Brook |
| Kyle Mason | P | 2002-2002 | New Mexico, South Mountain CC |
| Landon Mason | IF | 2014-2017 | Central Arkansas, Kansas City CC, Missouri Western State University |
| Michael Mason | P | 2010-2014 | Jacksonville State |
| Patrick Mason | P | 2004-2007 | Nevada |
| Paul Mason | OF | 1984-1984 | Chabot College, San Jose State |
| Quinn Mason | P-OF | 2020-2021 | Nebraska |
| Reed Mason | P | 2013-2016 | Northwestern |
| Sam Mason | P | 2013-2016 | West Los Angeles College, Auburn |
| Sean Mason | P | 2014-2017 | Appalachian State |
| Tyler Mason | C | 2004-2007 | Ark-Little Rock, Northeast Texas CC, Concordia University |
| Weston Mason | P | 2013-2015 | Louisiana-Monroe, John A. Logan College |
| Nick Masonia | IF | 2013-2015 | Troy, Northwest Florida State College |
| B.J. Masopust | --- | 2006-2006 | Mount Saint Mary |
| Alex Masotto | P-OF | 2016-2018 | Ball State, Tyler Junior College, Texas-Tyler |
| Jack Massa | C | 2015-2018 | Canisius College, SUNY-Cortland |
| Michael Massa | IF | 2004-2007 | Dayton |
| Michael Massa | P | 2010-2013 | Lafayette College |
| Nick Massa | P | 2017-2020 | Manhattan College |
| Vinni Massaglia | OF | 2019-2021 | Southern Illinois, Illinois Central College |
| Collin Massanelli | OF | 2012-2015 | Arkansas State |
| Robby Massar | OF | 2009-2012 | Richmond |
| Mitch Massard | P | 2008-2008 | Ball State |
| Michael Massardo | OF | 2013-2015 | North Carolina |
| Alex Massari | C | 2006-2007 | San Francisco, College of the Canyons, Fresno State |
| Trey Massenberg | OF | 2011-2014 | Missouri State |
| Brandon Massenbur | OF | 2003-2004 | Va Military Inst. |
| Phil Masser | OF | 2004-2005 | Toledo, Defiance College |
| Aiden Massey | C-IF | 2018-2018 | The Citadel |
| Andrew Massey | P | 2010-2012 | Sam Houston State |
| Andrew Massey | P | 2014-2016 | Gardner-Webb |
| Andrew Massey | IF | 2014-2018 | Tennessee-Martin, Concordia University |
| Brack Massey | 1B | 2004-2004 | North Carolina |
| Brandon Massey | 1B | 2000-2003 | Charleston Southern |
| Daniel Massey | OF | 2011-2014 | Brown |
| JP Massey | P | 2019-2021 | Minnesota |
| Nick Massey | OF | 2017-2018 | Youngstown State, Sinclair CC |
| Reed Massey | IF | 2016-2019 | Wofford |
| Ross Massey | P | 2016-2019 | Tulane |
| Sam Massey | P | 2021-2021 | Charleston Southern |
| Trevor Massey | IF | 2015-2015 | Boston College |
| Adam Massiatte | C | 2004-2005 | Louisiana-Lafayette, Blinn College |
| Anthony Massicci | 1B | 2013-2016 | Canisius College |
| Jeremy Massie | P | 2011-2014 | Mississippi, Northwest Mississippi CC |
| Kyle Massie | 3B | 2005-2008 | Vermont |
| Stephen Massie | 2B | 2010-2010 | SE Missouri State |
| Brody Massman | C | 2006-2007 | San Jose State, Feather River College |
| Parker Massman | OF | 2018-2021 | Miami |
| Kace Massner | OF | 2018-2019 | Iowa, Central Oklahoma |
| Anthony Masson | P | 2005-2008 | SE Louisiana, New Orleans |
| John Massoni | P-OF | 2006-2006 | Long Island-Brooklyn, John Jay College of Criminal Justice |
| Patrick Massoni | OF | 2014-2016 | Austin Peay, Chabot College |
| Nolan Mast | 2B | 2004-2005 | Texas State, Grayson County College |
| Andy Masten | P-OF | 2006-2007 | Auburn, Creighton, Iowa Western CC |
| Steve Masten | P | 2006-2006 | Nevada |
| Cameron Masterman | 3B-1B | 2019-2021 | Louisville |
| Brandon Masters | 2B-SS | 2005-2008 | Georgia, Columbus State |
| Cody Masters | CF | 2018-2021 | Texas Tech |
| David Masters | C | 2007-2009 | Kansas State, Seward County CC, Texas-Arlington |
| Dirk Masters | IF-P | 2013-2016 | Sam Houston State, Cameron |
| Dirk Masters | IF | 2017-2020 | Towson |
| Pat Masters | 1B | 2003-2006 | Wright State |
| Ryan Masters | IF | 2006-2009 | Manhattan College |
| Nick Masterson | P | 2014-2016 | Coastal Carolina, Rockland CC |
| Steve Mastin | P | 1968-1968 | Florida State |
| Yan Mastin | 3B | 2018-2020 | Savannah State |
| Pete Mastors | OF | 2008-2009 | Rhode Island |
| Matt Mastrianni | OF | 2004-2007 | Wagner |
| Matt Mastroianni | IF | 2013-2016 | SUNY-Oneonta |
| Sonny Mastromatteo | IF | 2012-2013 | Tennessee-Martin |
| DJ Masuck | P | 2017-2021 | New York Tech, Tampa |
| Dom Masullo | P | 2017-2019 | Morehead State, George Mason |
| CJ Maszal | IF | 2010-2010 | Ohio, Grand Rapids CC |
| Alvin Mata | OF | 2010-2010 | Manhattan College |
| Anthony Mata | IF | 2021-2021 | UC Riverside |
| David Mata | P | 2018-2021 | Bethune-Cookman, Central Florida CC, Florida Gulf Coast |
| Joe Mata | P | 2015-2017 | Cal State Bakersfield, Cal State Stanislaus |
| Jonathan Mata | P | 2011-2014 | New Mexico, Los Angeles Harbor College |
| Jose Mata | P | 2004-2008 | South Carolina |
| Jose Mata | P | 2004-2011 | Prairie View A&M |
| Sarunas Matalavage | 1B-3B | 2017-2017 | Mount Saint Mary |
| Anthony Matarazzo | P | 2015-2019 | Franklin Pierce University |
| Lou Matarazzo | 1B | 2016-2018 | Iona College, Catawba Valley |
| Mitch Matecki | SS-IF | 2009-2012 | SIU-Edwardsville |
| Dylan Matela | P | 2020-2021 | Furman, Georgia State |
| Robinson Mateo | IF | 2013-2017 | Southern |
| Nick Materazzo | 1B | 2019-2021 | Savannah State, Glenville State College |
| Mike Materetsky | P | 2019-2021 | Stetson, Pensacola State |
| Trevor Matern | IF | 2012-2013 | Georgetown |
| Chris Matesich | SS | 2005-2008 | Southern Miss |
| Chase Matheny | OF | 2019-2021 | USC-Upstate, Lower Columbia CC |
| Colin Matheny | P | 2003-2004 | Rice |
| Garrett Matheny | C-IF | 2018-2021 | Radford, Binghamton |
| Jake Matheny | C | 2017-2018 | Indiana, San Jacinto, Missouri |
| Joel Matheny | IF | 2006-2007 | Butler |
| Luke Matheny | P | 2017-2019 | Oklahoma State, San Jacinto, Saint Louis |
| Noah Matheny | P | 2021-2021 | SIU-Edwardsville |
| Jeffrey Mathers | IF | 2011-2012 | Manhattan College, Ithaca College |
| Jordan Mathers | P | 2008-2010 | Troy, Northwest Florida State College |
| Alden Mathes | P | 2020-2021 | Richmond |
| Cameron Mathes | P | 2018-2021 | Villanova |
| Garrett Mathes | P-IF | 2018-2021 | Mercer, Santa Fe CC, Florida State |
| Chase Matheson | IF | 2013-2015 | Chicago State, McHenry County College |
| Drew Matheson | P | 2004-2004 | Pennsylvania |
| Josh Matheson | P | 2013-2014 | Minnesota State |
| Matt Matheson | SS | 2004-2004 | Va. Commonwealth, Seminole Florida |
| Nate Matheson | P | 2015-2016 | Old Dominion |
| Tim Matheson | OF | 2009-2009 | Butler |
| Brad Mathews | P | 2002-2002 | Georgia |
| Bryan Mathews | 1B-P | 2012-2015 | North Florida, Shorter, FSC at jacksonville |
| Calvin Mathews | P | 2013-2016 | Iowa |
| Collin Mathews | OF-P | 2019-2021 | Kent State |
| Grant Mathews | LF | 2017-2020 | Tulane |
| Mike Mathews | P | 2004-2004 | Pacific |
| Quinn Mathews | P | 2020-2021 | Stanford |
| Reid Mathews | 2B | 2014-2014 | Walters State CC, Coastal Carolina |
| Shane Mathews | P | 2009-2009 | Savannah State |
| Spencer Mathews | P | 2009-2009 | LSU |
| Taylor Mathews | OF | 2013-2015 | Murray State |
| Tony Mathews | P | 2001-2002 | Austin Peay, Lincoln Trail College |
| Travis Mathews | P | 2007-2007 | Middle Tenn State, Southwest Tennessee CC |
| Jared Mathewson | P | 2017-2021 | UNC-Greensboro, Mars Hill College |
| Jimmy Mathias | IF | 2004-2007 | Appalachian State, Marshall |
| Beau Mathiason | P | 2003-2003 | Northern Iowa, Spokane Falls CC, Bellevue |
| Ben Mathiason | P | 2007-2008 | North Dakota State, Spokane Falls CC |
| Logan Mathieu | 1B | 2018-2021 | Liberty |
| Brad Mathiowetz | C | 2015-2020 | Des Moines Area CC, Florida Atlantic, Angelo State |
| Alan Mathis | IF | 2010-2010 | Memphis, Northwest Mississippi CC |
| Brock Mathis | C | 2018-2021 | LSU, Northwest Florida State College, Oklahoma State |
| Chase Mathis | OF | 2012-2013 | Troy, Wallace State CC |
| Jake Mathis | C | 2008-2008 | Illinois |
| Jared Mathis | P | 2013-2013 | UNC Charlotte |
| Jordan Mathis | IF | 2015-2015 | Western Carolina |
| Tate Mathis | OF | 2019-2020 | North Alabama |
| Tyler Mathis | P | 2007-2010 | Louisville |
| Wade Mathis | IF | 2008-2011 | Lamar |
| Gino Matias | SS | 2006-2009 | St. John's |
| Musa Matiwane | P | 2016-2019 | Delaware State, Oberlin College |
| Jace Matkin | OF | 2019-2019 | Oakland |
| Fielding Matkins | P | 2014-2015 | Northwestern State |
| Matt Matkovich | 3B-2B | 2001-2004 | Winthrop |
| John Matlick | P | 2005-2005 | Western Illinois |
| Jeffery Matlock | P | 2004-2004 | Tennessee Tech |
| Will Matlock | P | 2005-2005 | Southern Miss, East Mississippi CC |
| Josh Matlow | OF | 2005-2006 | Canisius College |
| Jacob Maton | P | 2021-2021 | Coastal Carolina |
| Freddie Matos | IF | 2017-2021 | Butler, Broward College, Barry |
| Ian Matos | OF | 2018-2020 | Alabama State, Galveston College |
| Jason Matos | OF | 2005-2005 | Columbia |
| Jeramy Matos | OF | 2009-2013 | Bethune-Cookman, Palm Beach State College, Central Florida |
| Jerry Matos | P | 2008-2008 | Coppin State College |
| Jesse Matos | 1B | 2017-2020 | Saint Peter's |
| Noah Matousek | IF | 2020-2020 | Morehead State, Toledo |
| Nolan Matsko | IF | 2019-2021 | Georgetown |
| Greg Matson | P-IF | 2006-2007 | UNC-Greensboro, West Valley College, Biola |
| Mike Matta | P | 2007-2010 | Mount Saint Mary |
| Derek Mattea | OF | 2011-2012 | Missouri State, John A. Logan College |
| Mike Mattei | IF | 2009-2009 | Bryant University, Massachusetts-Boston |
| Joe Matteo | P | 2005-2008 | Lehigh |
| Case Matter | P | 2021-2021 | Washington |
| Michael Matter | P | 2017-2021 | Belmont |
| Jared Mattera | P | 2013-2017 | Arizona, South Mountain CC, La Salle |
| Noah Mattera | P | 2020-2021 | UNLV |
| Mike Mattern | P | 1999-2002 | Pennsylvania |
| Joseph Mattes | P | 2006-2007 | SE Louisiana, Towson |
| Bowie Matteson | P | 2015-2016 | Hofstra, Boston |
| Blake Mattey | OF | 2017-2021 | UTRGV, Trinidad State, Colorado Christian College |
| Colby Mattheson | OF | 2011-2012 | Northeastern, Rhodes College |
| Scott Matthew | P | 2004-2004 | Southern |
| Andy Matthews | IF | 2006-2006 | Nevada |
| Blaine Matthews | SS | 2011-2011 | Mercer, Cloud County CC |
| Brandon Matthews | P | 2019-2021 | Youngstown State |
| Brice Matthews | OF-IF | 2021-2021 | Nebraska |
| Bryce Matthews | OF | 2020-2021 | Arkansas, Eastern OK ST |
| Caleb Matthews | P | 2016-2019 | USC-Upstate, Kankakee CC |
| Cameron Matthews | IF-OF | 2004-2005 | Stanford |
| Charles Matthews | P | 2009-2010 | Georgia Southern, Spartanburg Methodist |
| D'Quan Matthews | OF | 2017-2019 | Grambling State, Lackawanna College |
| Darrel Matthews | OF | 2010-2012 | California |
| Daylon Matthews | P | 2017-2021 | Northern Colorado, Sacramento City College |
| Greg Matthews | P | 2012-2012 | Alabama State |
| Ian Matthews | P | 2004-2004 | Butler |
| Jacob Matthews | P | 2009-2012 | Mercer |
| Joel Matthews | P | 2005-2006 | San Diego State |
| Joel Matthews | SCOUT | 1993-1993 | Mississippi State |
| Joey Matthews | OF | 2012-2013 | Oregon State, Sacramento City College |
| John Prato Matthews | OF-P | 2010-2012 | Pacific, Sacramento City College |
| Kody Matthews | IF | 2014-2018 | Marshall, Missouri Western State University, Mt. Hood CC |
| Luke Matthews | P | 2019-2021 | Presbyterian College |
| Rob Matthews | P | 2010-2010 | Florida Gulf Coast, Broward College |
| Scott Matthews | OF | 1982-1983 | Florida, Valencia CC |
| Shane Matthews | OF | 2010-2011 | Marist |
| Tim Matthews | P | 2006-2008 | Baylor, Texas-Tyler |
| Todd Matthews | C | 2006-2007 | Campbell |
| Trent Matthews | IF | 2001-2003 | Wright State |
| Wes Matthews | P | 2002-2002 | Southern Utah, Snow College |
| Zack Matthews | OF | 2002-2003 | Texas-Arlington, Oklahoma State, Howard College |
| Zebby Matthews | P | 2019-2021 | Western Carolina, Walters State CC |
| Chris Matthias | OF | 2017-2020 | North Florida |
| Emil Matti | OF | 2018-2021 | Wagner |
| Colin Mattiace | P | 1993-1996 | Iowa |
| Ian Mattiace | IF-OF | 1999-2002 | Iowa |
| Erik Mattingly | P-OF | 2011-2012 | Creighton, Garden City CC |
| Blake Mattison | P | 2008-2008 | Arkansas-Pine Bluff, Arkansas Baptist College |
| Tyler Mattison | P | 2018-2021 | Bryant University |
| Grant Mattix | P | 2008-2009 | Alabama A&M |
| Mack Mattke | 1B-C | 2013-2014 | Purdue |
| Kalani Matton | IF | 2018-2020 | Cornell |
| Jakob Mattos | P-IF | 2019-2020 | Coastal Carolina, Manatee-Sarasota |
| Dwight Mattox | P | 2003-2003 | Alcorn State |
| Jay Mattox | OF | 2005-2006 | Chipola, East Carolina |
| Braden Mattson | C | 2012-2014 | Texas Christian, San Jacinto, Florida |
| Brent Mattson | P | 2015-2017 | Eastern Michigan |
| Luke Mattson | P | 2017-2021 | Nevada, Golden West College, UC San Diego |
| Mats Mattson | P | 2008-2010 | New Orleans |
| Tanner Mattson | SS | 2006-2007 | Missouri State |
| Mitchell Matulia | IF-C | 2014-2015 | Texas-San Antonio |
| Philip Matulia | C | 2019-2021 | Louisiana Tech |
| Edvardas Matusevicius | P | 2013-2014 | Grambling State |
| Nate Matusick | IF-P | 2007-2008 | Vermont, Corning CC |
| Gage Matuszak | IF | 2015-2017 | Utah, Washington, Feather River College |
| Jake Matuszak | OF | 2011-2012 | Central Ct State, Connecticut-Avery Point |
| Kyle Matuszek | 2B-1B | 2002-2006 | Morehead State, West Virginia |
| Jon Matzner | H | 2005-2005 | Pennsylvania |
| Kyle Mauch | OF | 2011-2011 | Centenary College |
| Nick Maue | P | 2019-2021 | Dayton |
| Bill Maugeri | OF | 2006-2008 | Navy |
| Bret Maugeri | OF | 2006-2008 | Southern Illinois |
| William Maugeri | IF | 2005-2005 | Navy |
| Matt Maul | IF | 2015-2018 | Saint Joseph's |
| Kyle Maulbetsch | P-1B | 2007-2010 | Central Florida, Central Florida CC, Central Florida |
| Andrew Mauldin | P | 2013-2013 | Liberty |
| Andy Mauldin | P | 2007-2009 | Stetson |
| Dalton Mauldin | IF | 2015-2021 | Bethune-Cookman, Central Florida CC, Trevecca Nazarene |
| DJ Mauldin | P | 2006-2010 | Cal Poly |
| Evan Mauldin | P | 2019-2021 | Appalachian State |
| John Thomas Mauldin | OF | 2017-2018 | New Orleans, Baton Rouge CC |
| Joseph Mauldin | P | 2014-2016 | Long Island-Brooklyn, Antelope Valley College, Tuskegee |
| Levi Mauldin | P | 2011-2014 | Charleston Southern |
| Jay Maule | OF | 2001-2005 | UNC-Greensboro |
| Chris Maultsby | P | 1999-2002 | Vanderbilt |
| Cullan Maumus | 2B | 2001-2004 | Massachusetts |
| Clint Maune | P | 2008-2009 | Wichita State, Oklahoma City |
| Keith Mauney | IF | 2007-2007 | Wake Forest, Appalachian State |
| Anthony Maupin | P | 2004-2006 | SE Missouri State, Coastal Alabama-Monroeville |
| Brandon Maupin | 1B | 2006-2006 | Longwood, Harford CC |
| Eric Maupin | IF | 2008-2008 | Western Nevada CC, Washington State |
| Justin Maurath | OF | 2001-2002 | Southern Illinois, Mesa CC |
| Matt Maurer | P | 2011-2014 | Pepperdine |
| Cody Mauri | P | 2016-2018 | Denison |
| Mike Mauri | IF | 2010-2013 | Fordham |
| Kyle Maurice | C-1B | 2018-2021 | Massachusetts-Lowell, Saint Anselm College |
| Jonathan Mauricio | P | 2014-2017 | Norfolk State |
| Brett Maurin | IF | 2006-2006 | Nicholls State |
| Ernie Mauritson | P | 1976-1978 | Chabot College, USC |
| Nick Mauro | OF | 2003-2004 | Fairleigh Dickinson |
| Albert Maury | P | 2017-2020 | Miami |
| Drew Maus | IF | 2006-2006 | Radford, Ouachita Baptist |
| Ben Mauseth | IF | 2014-2017 | Grand Canyon, Tarleton State |
| Zack Mausser | C | 2015-2019 | Abilene Christian, Glendale CC CA, College of the Canyons |
| Eric Maust | P | 2007-2010 | Notre Dame |
| Vaughn Mauterer | OF-P | 2020-2021 | California |
| Brycen Mautz | P | 2020-2021 | San Diego |
| Kyle Maves | IF | 2019-2021 | Quinnipiac |
| Jake Mavropoulos | OF | 2014-2016 | Cal Poly, Oxnard College |
| Cody Maw | P | 2016-2019 | Charleston Southern |
| Zach Mawson | P-OF | 2012-2015 | Rider |
| Carson Max | OF | 2020-2021 | South Dakota State |
| Ryan Maxa | P | 2008-2009 | Gardner-Webb, Limestone College |
| Justin Maxcey | P | 2019-2021 | Prairie View A&M |
| Cam Maxey | P | 2013-2015 | UMD-Baltimore Cty, California Pennsylvania |
| Taylor Maxey | OF | 2017-2018 | Tennessee Tech, Erskine College |
| Zach Maxey | P | 2021-2021 | Miami |
| Kyle Maxie | C | 2006-2009 | Florida State, Southern Miss, Pearl River |
| Jordan Maxson | C | 2018-2021 | Kansas State |
| Andrew Maxwell | IF | 2007-2007 | Western Illinois, Allen County CC |
| Andrew Maxwell | P | 2015-2016 | Auburn, Shelton State CC |
| Bobby Maxwell | P | 2014-2016 | Long Island-Brooklyn |
| Bret Maxwell | IF | 2017-2019 | Florida State, Tallahassee CC, Florida A&M |
| Brett Maxwell | OF | 2007-2011 | Georgia State, Chipola College, Georgia Southern |
| Brock Maxwell | OF | 2014-2018 | South Carolina, West Georgia Tech |
| Bruce Maxwell | C | 1970-1971 | Oregon |
| Bryan Maxwell | P | 2011-2013 | Texas-Pan American, Bakersfield College |
| Charlie Maxwell | IF | 2017-2020 | Northwestern |
| Jamie Maxwell | P | 2004-2007 | The Citadel |
| Jeff Maxwell | P | 2012-2015 | Radford |
| Josh Maxwell | P-IF | 2006-2007 | North Florida |
| Pat Maxwell | OF | 1995-1998 | Metro State |
| Patrick Maxwell | 2B | 2006-2007 | Southern Miss, Louisiana Tech |
| Rudy Maxwell | C | 2019-2021 | Duke, Lipscomb |
| Tyler Maxwell | P-OF | 2012-2013 | Stanford |
| Zach Maxwell | P | 2020-2021 | Georgia Tech |
| Brady May | P | 2014-2014 | Southern |
| Chris May | C | 2013-2014 | Florida Intl, Loyola University |
| Colby May | IF | 2009-2012 | Georgia |
| Derrick May | OF | 2014-2015 | Villanova |
| Donald May | P | 2015-2015 | Fordham |
| Donovan May | OF | 2014-2017 | Villanova |
| Dylan May | IF | 2014-2018 | Wofford, St. Edward's |
| Garrett May | IF | 2009-2010 | East Tennessee State |
| Hayden May | C | 2016-2016 | North Dakota |
| Hunter May | P | 2011-2014 | Marshall, Pitt CC, UNC Charlotte |
| Hunter May | C | 2019-2021 | Alabama State |
| Jackson May | P | 2010-2013 | Savannah State |
| Jeff May | C | 2010-2013 | North Carolina, Lander |
| Rusty May | C | 2002-2004 | Liberty |
| Ryan May | P | 2015-2015 | LSU |
| Saajan May | P | 2019-2020 | Columbia |
| Sam May | C | 2013-2014 | Southern, Crowder |
| Steve May | 2B-SS | 2008-2011 | Army |
| Tanner May | IF | 2017-2020 | North Florida, Central Florida CC, West Florida |
| Tim May | C | 2006-2008 | Pennsylvania |
| Travis May | IF | 2005-2006 | Western Michigan |
| Zack May | P | 2017-2021 | McNeese State, Hill College |
| Dillon Maya | P | 2013-2017 | Florida Intl, Nova Southeastern |
| Lenny Mayard | H | 2002-2003 | SE Louisiana |
| Bruce Mayberry | P | 2006-2008 | Stephen F. Austin, New Mexico JC, North Lake College |
| Chase Mayberry | P | 2017-2020 | Hampden-Sydney College |
| Dalton Mayberry | P-OF | 2014-2017 | Marist, Cumberland County College, Rider |
| Ben Maycock | OF | 2018-2021 | Connecticut |
| Eric Maycroft | P | 2001-2003 | Wake Forest |
| Mark Maydak | P | 2002-2003 | UMD-Baltimore Cty |
| Cole Maye | P | 2017-2017 | Florida |
| Grant Mayeaux | IF | 2014-2018 | San Diego State, Cypress College |
| Andy Mayer | P | 2006-2009 | Quinnipiac |
| Johnny Mayer | IF | 2017-2018 | Norfolk State |
| Jon Mayer | C | 2013-2016 | Bucknell |
| Jordan Mayer | 1B | 2005-2007 | LSU |
| Kendall Mayer | P | 2010-2013 | Washington State, Louisiana-Lafayette, Seminole State College |
| Kevin Mayer | P | 2006-2006 | UC Irvine, Modesto Junior College |
| Michael Mayer | P | 2007-2009 | Villanova |
| Scott Mayer | P | 2011-2011 | James Madison |
| Tom Mayer | P | 2020-2021 | William and Mary |
| Peter Mayer-Klepch | P | 2014-2014 | Rider, Raritan Valley CC |
| Eric Mayers | OF | 2011-2014 | Va Military Inst. |
| Casey Mayes | OF | 2019-2021 | Michigan State |
| Derrick Mayes | OF | 2020-2021 | Southern |
| Chris Mayette | P | 2006-2006 | Central Ct State |
| Aaron Mayfield | P | 2009-2010 | Western Kentucky, Lindsey Wilson College |
| Hunter Mayfield | OF | 2010-2014 | Ohio State, Rollins |
| Mark Mayfield | C | 2010-2010 | Texas A&M-Corpus Christi, Navarro College |
| Cooper Mayhall | P | 2015-2019 | Kennesaw State, Abraham Baldwin Agricultural College |
| Dameyune Mayhand | UT | 2017-2020 | Alabama A&M, Jackson State |
| Ben Mayhew | P | 2004-2007 | Army |
| Jake Mayhew | P | 2016-2021 | UNC-Greensboro, North Carolina at Pembroke |
| Ryan Mayhew | P | 2012-2013 | UNC Wilmington |
| C.J. Mayhue | P | 2020-2021 | East Carolina |
| Chad Mayle | P | 2014-2015 | Western Michigan, Kellogg CC |
| Josh Mayle | P | 2002-2003 | Kent State |
| Cort Maynard | IF | 2019-2021 | North Carolina Central, Guilford Tech, NC A&T State |
| Damon Maynard | C | 2018-2021 | Illinois State, Olney Central College, USC-Upstate |
| Dan Maynard | C | 2016-2017 | Maryland |
| Halden Maynard | P | 2013-2014 | Stephen F. Austin, Angelina College |
| Justin Maynard | OF | 2010-2011 | Marshall, West Virginia U. Institute of Technology |
| Michael Maynard | P | 2004-2007 | Long Island-Brooklyn, St. John's |
| Rhett Maynard | IF | 2020-2021 | Texas Christian |
| Tony Maynard | P | 2001-2005 | Cincinnati |
| Wally Maynard | P | 1992-1995 | South Carolina |
| Marc Maynor | OF | 2002-2004 | NC State |
| David Mayo | SS | 2014-2017 | Georgia State, Chattanooga State Technical CC, Mount Olive College |
| Heath Mayo | P | 2010-2013 | Brown |
| Hunter Mayo | P | 2014-2016 | Southern Arkansas, Hill College |
| Josh Mayo | IF | 2003-2004 | Cal Poly, Yuba CC, Sacramento City College |
| Kyle Mayo | IF | 2004-2004 | Auburn |
| Lachlan Mayo | UTL | 2018-2019 | McNeese State, Angelo State |
| Nick Mayo | SS | 2005-2008 | NC A&T State |
| Parker Mayo | C | 2008-2011 | Air Force |
| Zach Mayo | P | 2013-2017 | North Dakota State |
| Angus Mayock | P | 2019-2021 | Connecticut |
| Riley Maypother | P | 2019-2019 | East Tennessee State, Brookdale CC |
| Chris Mayr | OF | 2006-2007 | Western Illinois |
| Allen Mays | OF | 2015-2016 | Grambling State, Arkansas Baptist College |
| Brett Mays | P | 2012-2015 | Marshall, Christopher Newport |
| Lance Mays | OF | 2016-2016 | East Tennessee State, Dyersburg State CC, Roane State CC |
| Travis Mays | P | 2003-2004 | Houston |
| Willie Mays | OF | 2008-2009 | Miss. Valley St |
| Winton Mays | P | 2004-2005 | Georgia |
| Justin Mayse | SS-P | 2008-2008 | Maryland, Cecil College |
| Peter Mayta | P | 2004-2006 | Maryland-Eastern Shore |
| Derek Maytubby | OF | 2005-2006 | New Mexico State, El Paso CC |
| Jake Maziar | C-IF | 2014-2016 | College of Charleston, Chattahoochee Val |
| Arthur Mazierwski | IF | 2009-2010 | Grambling State, Lon Morris College |
| Anthony Maziur | OF | 2007-2009 | Northern Illinois |
| Adam Mazur | P | 2020-2021 | South Dakota State, Iowa |
| Zach Mazur | C | 2019-2020 | Notre Dame |
| Daniel Mazurkiewicz | OF | 2013-2017 | Chicago State, Roosevelt |
| Tommy Mazurkiewicz | IF | 2012-2015 | Wagner |
| Chris Mazza | P | 2021-2021 | Quinnipiac |
| Luke Mazzanti | P | 2008-2010 | San Jose State |
| Mike Mazzara | OF | 2012-2013 | UC Davis, Rio Hondo CC |
| Mike Mazzara | IF | 2019-2021 | Canisius College |
| John Mazzello | IF | 2005-2006 | Marist, St. Thomas Aquinas |
| Anthony Mazzeo | OF | 2006-2007 | Florida A&M, Edward Waters College |
| Jonnie Mazzeo | P | 2002-2004 | Fordham |
| Joey Mazzetti | P-1B | 2021-2021 | Northern Colorado |
| Andy Mazzier | 1B | 1999-2002 | Murray State |
| Derek Mazzio | P | 2011-2013 | Saint Louis |
| Sean Mazzio | IF | 2015-2018 | Wagner |
| Jeff Mazzola | P | 2002-2005 | SUNY - Albany |
| Steve Mazzola | H | 1999-2000 | Southern Illinois |
| Justin Mazzone | IF | 2018-2021 | Seattle |
| Steven Mazzurco | OF | 2006-2009 | Stony Brook |
| 1747 record(s) |
