| Jack St. Clair | UT | 2012-2015 | Holy Cross |
| Justyn St. Clair | IF-OF | 2001-2002 | Arizona, Mesa CC |
| Tim St. Clair | P | 2005-2006 | Va. Commonwealth, Chesapeake College |
| Evan St. Claire | OF | 2019-2020 | Siena College |
| Jeff St. Denis | P | 2004-2005 | Niagara |
| Anthony St. George | H | 2002-2003 | New York Tech |
| Daniel St. George | OF-IF | 2011-2014 | Bryant University |
| Risley St. Germain | P | 2002-2005 | SE Louisiana |
| Brian St. Jean | P | 2001-2004 | Tennessee, Cincinnati |
| Caleb St. Laurent | UT | 2011-2012 | Texas Christian |
| Garrett St. Laurent | C | 2016-2017 | Va Military Inst. |
| Dave St. Lawrence | P-IF | 2012-2015 | Brown |
| Kellen St. Luce | P | 2008-2008 | Vanderbilt, Nova Southeastern |
| William St. Marseille | P | 2020-2020 | California Baptist |
| Noah St. Urbain | C | 2005-2008 | Pacific, San Joaquin Delta College |
| Kyle Staats | P | 2015-2018 | Va Military Inst. |
| Landon Staats | P | 2017-2020 | Texas-Pan American, Grayson County College |
| CJ Stablein | OF | 2016-2016 | Fairleigh Dickinson |
| Adam Stacey | IF | 2005-2005 | Auburn, Shelton State CC |
| Tim Stacey | OF-IF | 2002-2005 | Youngstown State, Mercyhurst |
| Travis Stacey | 3B | 2012-2012 | Brigham Young |
| Jeremy Stache | 3B | 2003-2006 | Army |
| Dennis Stachura | OF | 1991-1992 | Bradley |
| B.J. Stack | OF | 2005-2005 | Canisius College, Erie CC |
| Collin Stack | OF | 2015-2018 | UMD-Baltimore Cty, Monroe CC |
| Daniel Stack | IF | 2014-2017 | UNC Wilmington |
| Brett Stackhouse | P | 2008-2011 | Gardner-Webb |
| Josh Stackley | OF | 2002-2005 | The Citadel |
| Kendall Stacks | IF | 2012-2012 | Houston |
| Adam Stacy | OF | 2009-2011 | Tennessee-Martin |
| Anthony Stacy | P | 2006-2009 | Murray State |
| Irven Stacy | 3B | 1995-1997 | South Alabama |
| Jason Stacy | P | 2010-2011 | Oral Roberts, Central Arizona College |
| Jordan Stacy | C-OF | 2017-2018 | Bethune-Cookman |
| Sean Stacy | P | 2016-2018 | Texas-San Antonio, Cisco Junior College |
| Tristan Stacy | IF | 2019-2020 | New Mexico State |
| Jordan Stading | IF | 2014-2017 | Houston, SIU-Edwardsville |
| Jay Stadius | P | 2016-2018 | North Florida |
| Austin Stadler | 1B | 2009-2013 | Wake Forest |
| Sullivan Stadler | P | 2013-2017 | Indiana, Xavier |
| Walker Stadler | P | 2010-2013 | Indiana |
| Kurtis Stadnicki | C | 2020-2020 | Merrimack College |
| Kameron Stady | P | 2010-2013 | Miss. Valley St |
| Alex Staehely | IF | 2010-2013 | Creighton |
| Bill Staffieri | 1B | 2002-2005 | Mount Saint Mary |
| Tyler Stafflinger | P | 2017-2020 | New Jersey Tech |
| Bryant Stafford | P | 2015-2015 | UNC-Greensboro |
| Chase Stafford | IF | 2013-2016 | Oral Roberts, Santa Rosa Junior College |
| Gray Stafford | IF | 2011-2013 | Marshall, Spartanburg Methodist College |
| Jared Stafford | P | 2008-2011 | Dallas Baptist |
| Jason Stafford | P | 2013-2014 | Va Military Inst. |
| Michael Stafford | P | 2014-2017 | Liberty |
| Stephan Stafford | P | 2013-2016 | Iona College |
| Taylor Stafford | OF | 2016-2017 | West Alabama, East Mississippi CC |
| Travis Stafford | IF | 2013-2014 | Western Illinois, Allen County CC |
| Tyler Stage | P | 2011-2016 | Ohio, Alderson-Broaddus College |
| Luke Stageberg | IF-OF | 2018-2020 | College of Charleston |
| David Stagg | P | 2014-2015 | Indiana State, Heartland CC |
| Brandon Stahl | IF | 2011-2014 | Old Dominion, Adelphi |
| Dan Stahl | IF | 2004-2007 | Purdue |
| Drew Stahl | IF | 2020-2020 | Minnesota |
| Erich Stahl | P | 2014-2017 | Kennesaw State, Georgia Perimeter College, Young Harris College |
| Luke Stahl | P | 2007-2008 | UNC Charlotte, Allen County CC |
| Nathan Stahl | P | 2020-2020 | Indiana |
| Phil Stahl | C | 2020-2020 | Monmouth |
| Robby Stahl | OF | 2010-2011 | Florida State, Tallahassee CC |
| Ronnie Stahl | OF-P | 2005-2005 | Old Dominion |
| Ty Stahl | P | 2014-2016 | Kansas, Southwestern Illinois College |
| Robert Stahlke | IF | 2002-2003 | Washington State, Feather River College |
| Michael Stahoviak | IF | 2015-2015 | Illinois-Chicago |
| Troy Stainbrook | P | 2016-2019 | Biola, Fresno City College, College of the Sequoias |
| Connor Staine | P | 2020-2020 | Maryland |
| Ross Staine | P | 2007-2010 | Princeton |
| Warrick Staines | P | 2006-2007 | William and Mary |
| Austin Staley | P | 2016-2018 | NC State |
| Thomas Staley | OF | 2009-2009 | Stephen F. Austin |
| Ryan Stalker | P | 2020-2020 | UNC Asheville |
| John Stallcup | C | 2020-2020 | SIU-Edwardsville |
| Cade Stallings | 3B | 2010-2013 | Louisville, Tusculum College |
| CJ Stallings | P | 2009-2009 | Florida Gulf Coast, Polk State |
| Garrett Stallings | P | 2017-2019 | Tennessee |
| Hunter Stallings | P | 2020-2020 | Miss. Valley St |
| Jeff Stallings | P | 2004-2008 | NC State |
| John Stallings | OF | 2005-2006 | UNC Charlotte |
| Matt Stallings | P | 2003-2004 | Missouri |
| Matt Stallings | C | 2018-2019 | Va. Commonwealth |
| Michael Stallings | P | 2000-2002 | Alabama-Birmingham |
| Ray Stallings | IF | 2013-2013 | Dayton |
| Thomas Stallings | IF | 2012-2015 | Va Military Inst. |
| Daniel Stallsmith | P | 2009-2012 | Furman |
| Jon Stallsmith | P | 2000-2003 | Furman |
| Lucas Stalman | UT | 2019-2020 | Boston College |
| Mike Stalowy | IF | 2006-2008 | Illinois State |
| Matt Stalter | SS | 2015-2018 | New Jersey Tech, Moravian College |
| Cal Stalzer | P | 2018-2020 | George Washington, Kirkwood CC |
| Jake Stalzer | P | 2013-2015 | Elon, Indian Hills CC-Centerville |
| Brett Stambolian | OF | 2003-2005 | Hofstra, Tennessee |
| Matt Stamford | P | 2019-2020 | Lehigh |
| Ryan Stamler | P | 2016-2018 | The Citadel |
| Bryan Stamm | P | 2002-2004 | Temple |
| Ryan Stamp | OF | 2006-2009 | Mount Saint Mary |
| Brady Stamper | P | 2018-2020 | Liberty, Wilmington University |
| John Stamper | OF | 2010-2010 | Wake Forest |
| Luke Stampfl | P-IF | 2014-2018 | Fordham, St. John's |
| David Stampinato | --- | 2018-2018 | Fordham |
| Jordan Stampler | IF | 2012-2013 | USC-Upstate, Eastern FL ST |
| Nick Stampone | P | 2010-2012 | Delaware |
| Chris Stamps | 1B | 2005-2007 | Jackson State |
| Jerry Stamps | C | 1974-1974 | Gulf Coast CC, South Alabama |
| Mike Stancik | IF | 2009-2011 | Longwood, Patrick Henry College, Va. Commonwealth |
| Jordan Standefer | C | 2004-2004 | Centenary College, Southwestern CC |
| Jeff Stander | P | 2001-2003 | New Orleans |
| Matt Standish | OF | 2004-2004 | Illinois State |
| Brett Standlee | P | 2019-2020 | Oklahoma State |
| Joseph Standley | P | 2017-2020 | New Mexico State, Central Arizona College, Pacific |
| Cole Standridge | OF | 2008-2009 | Indiana State, New Mexico JC |
| Brandon Stane | P | 2015-2016 | Northwestern State |
| Darek Stanfield | C | 2002-2005 | Akron |
| James Stanfield | IF-C | 2009-2012 | Kansas |
| Lanny Stanfield | IF | 2006-2009 | William and Mary |
| Wyatt Stanfield | IF | 2001-2002 | Oklahoma State |
| Alex Stanford | IF | 2011-2012 | Gonzaga |
| Drew Stanford | P | 2006-2008 | Troy |
| James Stanford | P-OF | 2002-2003 | Pacific, San Joaquin Delta College |
| Nathan Stanford | P | 2014-2017 | Air Force |
| Ron Stanford | P | 1991-1993 | Georgia Southern |
| Mike Stangroom | P | 2008-2009 | University at Buffalo |
| Grant Staniszewski | C | 2005-2007 | Mobile (Ala.), Jefferson College, Bellarmine |
| Chase Stanke | C | 2019-2020 | Minnesota |
| Dane Stankiewicz | IF | 2017-2020 | Grand Canyon |
| John Stankiewicz | P | 2018-2020 | Fordham |
| Mike Stankiewicz | P | 2006-2009 | Valparaiso, Illinois |
| Zach Stanko | IF | 2020-2020 | Longwood |
| Kyle Stanky | IF | 1999-2002 | South Alabama |
| Andrew Stanley | C | 2020-2020 | Arkansas, Southern Miss |
| Bruce Stanley | P | 1996-1997 | Ball State |
| Coll Stanley | OF | 2017-2018 | Texas A&M, Howard College |
| Connor Stanley | P | 2012-2015 | Georgia State |
| Dan Stanley | P | 2005-2007 | St. John's, Creighton |
| Davis Stanley | C | 2007-2009 | Yale |
| DJ Stanley | P | 2010-2010 | Brigham Young |
| Grant Stanley | IF | 2002-2003 | Duke |
| Hunter Stanley | P | 2017-2020 | Southern Miss, Meridian CC |
| Indiana Stanley | C | 2019-2020 | Evansville, East Georgia |
| Jeff Stanley | P | 2009-2010 | Southern Miss, Daytona Beach CC |
| Langdon Stanley | P | 2008-2008 | Middle Tenn State, Enterprise-Ozark |
| Mark Stanley | OF | 2003-2006 | South Carolina |
| Matt Stanley | P | 2016-2019 | NC A&T State, Anderson University |
| Ryan Stanley | 1B-OF | 2004-2007 | Georgia Tech, Auburn |
| Ryne Stanley | C | 2016-2020 | NC A&T State, Pfeiffer |
| Seth Stanley | P | 2003-2004 | Kentucky, Southern Union State CC |
| Tyler Stanley | OF | 2017-2020 | Elon |
| Wayne Stanley | IF | 2012-2014 | Lamar |
| Wyatt Stanley | P | 2019-2020 | Portland, Edmonds CC |
| Blake Stansberry | IF-P | 2015-2018 | Middle Tenn State |
| Chris Stansbury | P | 2005-2007 | Santa Clara |
| Matthew Stansky | P | 2018-2020 | Bryant University |
| Andrew Stanton | C | 2006-2009 | Marist |
| Connor Stanton | OF | 2018-2020 | Fairleigh Dickinson, State New York at Oswego |
| Devin Stanton | P | 2011-2015 | Georgia Tech |
| Kyle Stanton | IF | 2012-2013 | Illinois State, Southwestern Illinois College |
| Pat Stanton | P | 2016-2018 | Columbia, Whitman College |
| Shaun Stanton | OF | 2002-2003 | Lamar, Galveston College |
| William Stanton | P | 2005-2005 | Alabama State |
| Harry Stanwyck | P | 2011-2014 | UC Davis |
| Nick Stanziani | P | 2004-2008 | Iona College |
| Bennett Stapf | 1B | 2001-2004 | Winthrop |
| Jake Stapf | P | 2008-2008 | Eastern Michigan |
| Drew Staples | P | 2012-2013 | SIU-Edwardsville, Pierce College, Treasure Valley CC |
| Jared Staples | P | 2018-2020 | Kennesaw State |
| Jordan Staples | P | 2011-2012 | Dallas Baptist, Tacoma CC |
| Ashkelon Stapleton | P | 2005-2007 | Mississippi Delta CC, Jackson State |
| Joel Stapleton | SS | 2000-2003 | Jacksonville State |
| Josh Stapleton | P | 2005-2007 | South Alabama |
| Wyatt Stapp | IF | 2018-2020 | Cincinnati, Tennessee |
| Braden Staranchuk | P | 2003-2004 | Georgia State, Grand Rapids CC |
| Mac Starbuck | IF | 2020-2020 | Clemson |
| Brian Starcich | P | 1997-1998 | Blinn College, Texas |
| Brandon Stargell | H | 2007-2009 | Miss. Valley St |
| Sebastian Stargell | --- | 2012-2013 | Texas Southern |
| Stark | P | 2003-2003 | Radford |
| Bryce Stark | OF | 2013-2016 | Louisiana Tech, Hill College |
| Dalton Stark | OF | 2016-2018 | Texas A&M-Corpus Christi, Alvin CC |
| Eric Stark | OF | 1998-2001 | Oregon State |
| Gavin Stark | 1B-3B | 2012-2013 | Missouri, Fort Scott CC |
| Peter Stark | P | 2007-2008 | Centenary College |
| Ryan Stark | P | 2017-2019 | Stetson |
| Drew Starke | C | 2002-2002 | Mercer, Manatee-Sarasota |
| Justin Starke | C-IF | 2020-2020 | Va Military Inst. |
| Jordan Starkes | OF | 2019-2020 | Furman |
| Wesley Starkes | OF | 2010-2011 | New Mexico State |
| Michael Starkey | P | 2011-2014 | Texas Southern |
| TJ Starkey | P-IF | 2004-2006 | Norfolk State, Emmanuel College |
| Jared Starks | P | 2008-2009 | Oklahoma State, Iowa Western CC, Northeastern Oklahoma A&M College |
| Gant Starling | P | 2020-2020 | The Citadel |
| Jawanza Starling | OF | 2009-2010 | USC |
| Joey Starling | P | 2015-2016 | Stanford |
| Travis Starling | P | 2007-2009 | Texas A&M |
| Ulysis Starling | H | 2004-2006 | Texas Southern |
| Will Starling | P | 2013-2014 | Troy, Southern Union State CC |
| Nathan Starliper | P | 2019-2020 | Virginia Tech |
| Jimmy Starnes | P | 2020-2020 | West Virginia |
| Josh Starnes | H | 2003-2003 | Gardner-Webb |
| Kyle Starnes | P | 2010-2010 | High Point |
| Logan Starnes | P-C | 2014-2017 | Eastern Kentucky |
| Trae Starnes | P | 2018-2020 | UNC Charlotte, Catawba Valley |
| Ryan Staropoli | P | 2020-2020 | Lehigh |
| Kyle Starr | P | 2007-2008 | Radford, Salisbury |
| Miles Starr | 2B-3B | 2006-2009 | Georgia |
| Parker Starr | IF | 2012-2015 | Brigham Young, Cypress College |
| Shooter Starr | P | 2001-2004 | Virginia |
| Taylor Starr | P | 2008-2013 | Oregon State |
| Kyle Starratt | P | 2011-2011 | Texas Christian, Western Nevada CC |
| Daniel Starwalt | P | 2013-2015 | Stanford |
| Jonathan Stasiek | P | 2006-2006 | Bradley |
| Luke Staskal | P | 2003-2004 | Cornell |
| Connor Staskey | P | 2013-2017 | Temple, UMD-Baltimore Cty |
| John Stasny | 3B-OF | 2001-2004 | La Salle |
| Matt Staso | OF | 2006-2009 | Mount Saint Mary |
| Jake Stassi | P-OF | 2011-2015 | Long Beach State, Sacramento State |
| Brad States | OF-IF | 2004-2007 | Rider |
| Tariq Staton | OF | 2011-2014 | Southern Utah, Lewis-Clark State College |
| Jace Statum | OF | 2011-2014 | Texas A&M |
| Otis Statum | OF | 2017-2020 | Nevada |
| Tim Statz | P | 2011-2011 | Mississippi State, Hutchinson CC |
| Luke Staub | P | 2013-2014 | George Washington |
| Sam Stauble | 1B | 2015-2017 | Maine, Southern Maine |
| Garrett Staudt | P | 2012-2014 | Texas-San Antonio, Blinn College |
| Jake Stauffenberg | P | 2010-2014 | SIU-Edwardsville |
| Daniel Stauffer | C | 2018-2019 | St. Bonaventure |
| Wade Stauss | C | 2018-2020 | SE Missouri State |
| Nick Stavrakis | 1B | 2003-2007 | Xavier, Rutgers, Rowan-Gloucester |
| Kyle Stawicki | P | 2002-2004 | Lehigh |
| Justin Stawychny | OF-C | 2012-2015 | Louisiana-Monroe |
| Caleb Stayton | C-1B | 2014-2017 | Ball State |
| James Stea | OF | 2014-2017 | Valparaiso, Golden West College |
| Zach Stead | C | 2005-2008 | Miami, SIU-Edwardsville |
| Collin Steagall | 1B | 2014-2015 | South Carolina, Spartanburg Methodist College |
| Barrett Steakley | P | 2004-2004 | Tennessee Tech |
| Brad Stearns | P | 2005-2005 | Central Ct State |
| Kyle Stearns | IF | 2011-2012 | Holy Cross |
| Nigel Stearns | P | 2016-2018 | Niagara |
| Ben Stechschulte | OF | 2009-2009 | Charleston Southern, North Greenville |
| Chad Stecker | OF | 2002-2005 | Shippensburg Pennsylvania |
| Bryce Steckler | IF | 2016-2019 | Oregon State, Everett CC, SE Louisiana |
| Ryan Steckline | P-1B | 2018-2020 | Monmouth |
| Evan Stecko-Haley | P | 2008-2012 | Stony Brook |
| Decker Stedman | P-UT | 2020-2020 | Oregon |
| Bryan Steed | 2B | 2004-2007 | North Carolina |
| Ross Steedley | C | 2008-2012 | UNC Charlotte |
| Jamison Steege | P | 2014-2018 | Southern Illinois, Kirkwood CC |
| Eric Steel | P | 2013-2016 | Tulane, St. Johns River CC |
| Chad Steele | C | 2003-2004 | Nebraska |
| Chris Steele | 3B-OF | 2000-2003 | Creighton, Iowa |
| David Steele | OF | 2005-2006 | Southern Miss |
| Hayden Steele | 3B | 2013-2016 | Central Arkansas, Johnson County CC, Missouri Southern State University |
| Jack Steele | P | 2019-2020 | Massachusetts |
| James Steele | 1B-OF | 1972-1972 | Cerritos College, USC |
| Jeff Steele | IF | 2001-2002 | Butler |
| Jon Steele | C-OF | 2014-2015 | George Washington |
| Kurt Steele | P | 2003-2005 | Oregon State |
| Matthew Steele | OF-1B | 2007-2007 | Charleston Southern |
| Ryan Steele | P | 2007-2007 | Kent State |
| Terrance Steele | OF | 2013-2015 | Miss. Valley St, East Central CC |
| Ty Steele-Worsham | H | 2012-2012 | West Virginia |
| Nathan Steelman | P | 2008-2009 | Maryland, Shenandoah |
| Justin Steelmon | IF | 2013-2015 | Ark-Little Rock, Seminole State College |
| Brandon Steen | P | 1999-2002 | Ohio State |
| Dylan Steen | P | 2017-2020 | Washington State, College of Southern Idaho, Cal State Dominguez Hills |
| Keylen Steen | C | 2017-2017 | Tennessee-Martin |
| Taylor Steen | C | 2013-2016 | Indiana State, Emporia State |
| Tyler Steen | C-OF | 2009-2012 | North Dakota State, Ridgewater College |
| Nate Steenblock | OF-P | 2020-2020 | South Dakota State |
| Michael Steensen | P | 2013-2014 | Akron |
| Eric Steensma | P | 2020-2020 | Tennessee-Martin |
| Brian Steenson | OF | 2001-2002 | Central Florida |
| Dan Steers | P | 2008-2008 | Binghamton |
| Dominick Stefanacci | P | 2016-2018 | East Tennessee State, St. Petersburg College |
| Ryan Stefaniak | OF | 2015-2016 | Siena College |
| Joe Stefanki | C | 2014-2017 | San Jose State |
| Enzo Stefanoni | P | 2018-2020 | Harvard |
| Troy Stefanski | OF | 2015-2018 | Connecticut |
| Mike Steffan | OF-1B | 2019-2020 | Canisius College |
| Erik Steffen | P | 2005-2005 | Wright State |
| Kris Steffen | OF | 2006-2008 | Wright State, Eastern Michigan |
| Paul Steffensen | OF | 2018-2020 | Tennessee Tech, Mesa CC |
| David Steffey | IF | 2004-2005 | Texas Tech |
| David Steffler | P | 1998-1999 | Winthrop |
| Tanner Steffy | C | 2019-2019 | College of Charleston |
| Zach Stefka | P | 2003-2007 | Hartford |
| Tyler Stefkovich | C | 2001-2003 | Connecticut |
| Chris Stefl | 1B-P | 2018-2020 | St. John's |
| Austin Stegall | 2B-OF | 2017-2019 | Northwestern State, Bossier Parish CC |
| Desmond Stegall | OF | 2012-2015 | Grambling State |
| Robert Stegbauer | P | 2008-2010 | USC-Upstate |
| Corey Steglich | IF | 2006-2009 | Texas Christian |
| George Stegmiller | P | 2001-2003 | Miami |
| Evan Stehle | C | 2007-2010 | Richmond |
| Murphy Stehly | IF | 2018-2020 | Texas |
| Bennett Stehr | 1B | 2015-2018 | Georgetown |
| Nick Steht | P | 2002-2002 | Memphis, Triton College |
| Devin Steib | --- | 2006-2007 | Nicholls State, LSU-Eunice |
| Ethan Steible | P | 2011-2014 | UNC Asheville |
| Andy Steichen | 3B-1B | 2008-2009 | Northern Iowa |
| Evan Steidl | 2B | 2013-2014 | Rutgers, County College of Morris |
| Matthew Steidl | P | 2019-2020 | Southern Illinois |
| Ryan Steidl | P | 2008-2010 | Georgia Southern, William Paterson New Jersey |
| Tom Steidl | OF | 2005-2008 | Minnesota |
| Tommy Steier | P-IF | 2018-2020 | Nebraska at Omaha, Creighton |
| Gus Steiger | IF | 2018-2020 | South Dakota State |
| Matt Steiger | P | 2001-2004 | Northern Illinois |
| Alexander Steigerwald | C | 2020-2020 | Cornell |
| Liam Steigerwald | P | 2017-2020 | UC Santa Barbara, St. Mary's (CA) |
| Sam Steimel | IF-P | 2019-2020 | Evansville |
| Austin Stein | OF | 2004-2005 | Jacksonville State |
| Matt Stein | P-1B | 2014-2015 | New Mexico State, Brookhaven College |
| Matthew Stein | P | 2008-2008 | UC Davis |
| Alex Steinbach | IF-OF | 2018-2020 | Illinois, Parkland College |
| Brad Steinbach | P | 2008-2011 | St. Bonaventure |
| Brian Steinbach | P | 1994-1998 | Michigan |
| Eric Steinbach | P | 2002-2003 | Bucknell |
| Conor Steinbaugh | P | 2018-2020 | Akron, Lincoln Trail College |
| Greg Steinbeck | P | 2015-2020 | Cal State Monterey Bay |
| Andrew Steinberg | IF-OF | 2010-2010 | William and Mary |
| Josh Steinberg | C | 2007-2010 | George Mason |
| Logan Steinberg | IF | 2015-2017 | St. Mary's (CA) |
| Mike Steinberg | OF | 2000-2004 | Northeastern, SUNY - Albany |
| Scott Steinbrecher | P | 2003-2004 | Austin Peay, Rend Lake College |
| James Steindl | P | 2018-2019 | Long Island-Brooklyn |
| Ryan Steindorf | P-OF | 2016-2016 | UC Davis |
| Brady Steineck | IF | 2001-2004 | Akron |
| Garrett Steiner | OF | 2001-2002 | Duquesne |
| Matt Steiner | P | 2009-2010 | Texas State |
| Nick Steiner | IF | 2001-2001 | Saint Louis |
| Tommy Steiner | C | 2019-2019 | Delaware |
| Dane Steinhagen | OF | 2013-2016 | Texas Christian, Howard College |
| Landon Steinhagen | C-OF | 2012-2013 | Texas, Howard College |
| Aaron Steinhart | C | 2019-2020 | Stetson, Pasco-Hernando CC |
| Seth Steinhauer | IF | 2003-2006 | Florida |
| Mitch Steinhoff | P | 2016-2018 | Nebraska |
| Pat Steinhoff | IF | 2002-2005 | Saint Louis |
| Arthur Steinkamp | P | 2020-2020 | New Mexico |
| Karl Steinlage | P | 2004-2005 | Saint Louis |
| Charles Steinman | P | 2010-2013 | Georgetown |
| Andy Steinmetz | P | 2011-2012 | Central Arkansas, Scottsdale CC |
| Nate Steinmetz | P | 2009-2012 | Northern Colorado |
| Brian Steinmeyer | IF | 2003-2006 | UC Riverside |
| Bobby Steinsdoerfer | P | 2004-2008 | Dartmouth |
| Joe Steinwedell | P | 2008-2009 | Liberty, Pepperdine |
| Tyler Steketee | P | 1995-1998 | Michigan |
| Ryan Stekl | 1B-3B | 2015-2018 | Canisius College |
| Taylor Stell | IF-OF | 2012-2015 | Texas |
| Joe Stella | C | 2020-2020 | Maine |
| Chris Stelma | IF | 2004-2007 | Rhode Island, County College of Morris |
| Bryan Stelmack | OF | 2002-2003 | Tulane, Lamar CC |
| Renecke Stelzriede | P | 2003-2004 | Sacramento State, Citrus College |
| Garre Stembridge | P | 2005-2005 | Western Kentucky, Lane College |
| Will Stembridge | OF | 2004-2007 | Furman |
| Colton Stemkowski | P | 2019-2020 | SUNY - Albany, Rockland CC, Salisbury |
| Jeff Stempel | P | 2001-2002 | SE Louisiana |
| Paul Stempel | OF-1B | 2001-2002 | Vanderbilt |
| Matt Stemper | IF-OF | 2013-2017 | Minnesota |
| Ray Stencel | P | 2005-2005 | Winthrop, Lakeland WI, West Virginia |
| Nate Stender | P | 2003-2003 | Holy Cross |
| J.T. Stenftenagel | P | 2010-2010 | Indiana State, Wabash Valley College |
| Andrew Stenger | OF | 1994-1995 | Indian River CC, Stetson |
| Brett Stenger | P | 2017-2019 | Eastern Michigan, Indian Hills CC-Centerville |
| Garrison Stenger | P | 2013-2015 | Eastern Illinois, Lakeland CC |
| Kevin Stenhouse | OF-1B | 2010-2013 | Rhode Island |
| Nicco Stento | P | 2009-2012 | Siena College |
| Michael Stephan | IF | 2007-2010 | Stony Brook |
| Rex Stephan | OF | 2016-2016 | Washington |
| Timothy Stephan | IF-P | 2018-2018 | Rider |
| Scott Stephen | P | 2008-2009 | Louisiana-Monroe, Northeast Texas CC |
| Adam Stephens | 1B | 2002-2002 | East Carolina, Chabot College |
| Al Stephens | OF | 2000-2004 | Troy |
| Alex Stephens | IF | 2014-2017 | Morehead State, Pensacola State College, Southeastern University |
| Andy Stephens | P | 2008-2009 | SE Missouri State, St. Louis CC-Meramec |
| Ben Stephens | P | 2017-2020 | Eastern Illinois, St. Louis CC-Meramec |
| Brandon Stephens | IF-P | 2017-2020 | UNC-Greensboro |
| Brent Stephens | OF | 2002-2005 | Georgia Southern, Kentucky |
| Brent Stephens | P | 2015-2018 | Eastern Illinois, Calhoun CC |
| Brian Stephens | P | 2000-2002 | Wright State |
| Chase Stephens | P | 2006-2007 | Iowa, Black Hawk College |
| Cody Stephens | IF | 2011-2014 | Washington, Los Medanos College, Texas A&M-Corpus Christi |
| Connor Stephens | OF | 2016-2020 | Jacksonville |
| Dan Stephens | 3B | 2000-2003 | Tennessee-Martin |
| Darryl Stephens | OF | 2001-2001 | Georgia Southern |
| Evan Stephens | OF | 2011-2014 | Wake Forest |
| Garrett Stephens | IF | 2009-2011 | Michigan |
| Garrett Stephens | C | 2017-2020 | SE Missouri State, Hutchinson CC, Fort Hays State |
| James Stephens | P | 2004-2007 | Louisiana-Monroe |
| Jeff Stephens | 1B-3B | 2001-2003 | Samford |
| Jeff Stephens | OF-IF | 2010-2013 | UC Irvine, Sierra College |
| John Michael Stephens | P | 2017-2018 | New Orleans |
| Jon Stephens | 1B | 2000-2003 | San Diego State, Saddleback College, UC Santa Barbara |
| Jonathan Stephens | P | 2008-2010 | Samford, Coastal Alabama-Monroeville |
| Jordan Stephens | IF | 2017-2020 | Dallas Baptist, Howard College, Miami |
| Kevin Stephens | 1B-OF | 2009-2010 | Villanova |
| Landon Stephens | IF | 2017-2020 | Miami |
| Logan Stephens | OF | 2017-2020 | Eastern Kentucky, Valdosta State |
| Mike Stephens | P | 2015-2018 | Bucknell |
| Nate Stephens | C | 2018-2018 | Harvard |
| Nick Stephens | P | 2012-2015 | Lehigh |
| Peyton Stephens | OF | 2018-2020 | Central Ct State |
| Robbie Stephens | IF-OF | 2016-2016 | Brown |
| Ryan Stephens | P | 2003-2005 | Wichita State |
| Sean Stephens | OF-P | 2002-2004 | Texas Christian, Galveston College |
| Zach Stephens | P | 2011-2013 | University at Buffalo, Grand Rapids CC |
| Adam Stephenson | OF-P | 2019-2019 | Wichita State |
| Brad Stephenson | C | 2005-2008 | East Carolina, Norfolk State, Va. Commonwealth |
| Bryan Stephenson | P | 2011-2011 | Campbell |
| Kyle Stephenson | P | 1999-2002 | NC State |
| Luke Stephenson | P | 2016-2017 | Vanderbilt, Indiana |
| Luke Stephenson | C | 2019-2020 | Xavier |
| Riley Stephenson | P | 2013-2017 | UMD-Baltimore Cty, George Mason |
| Stone Stephenson | IF | 2017-2020 | USC-Upstate, Wallace CC, Abraham Baldwin Agricultural College |
| Ellis Stephney | IF-OF | 2013-2014 | Texas Southern, Laney College, Cal State East Bay |
| Sean Stepina | C | 2011-2011 | San Diego State |
| Brian Stepniak | P | 2014-2017 | Hartford |
| Bart Steponovich | C | 2010-2013 | UC Riverside |
| Nick Steponovich | C | 2007-2007 | Ohio State |
| Dusty Stepp | IF | 2002-2002 | UNC Charlotte, The Citadel |
| John Stepp | P | 2001-2004 | Tennessee Tech |
| Keith Stepter | OF | 2017-2019 | Memphis, Itawamba CC |
| Nate Sterijevski | IF | 2016-2019 | Bethune-Cookman |
| Drew Sterioti | IF | 2014-2015 | Eastern Illinois |
| Casey Sterk | IF-OF | 2003-2006 | Wake Forest |
| Mike Sterk | P | 2007-2010 | Illinois |
| Clark Sterley | P | 2002-2005 | Western Michigan |
| Dan Sterling | P | 2005-2008 | Maryland-Eastern Shore |
| Grayson Sterling | IF-OF | 2020-2020 | Gonzaga |
| Michael Sterling | IF | 2013-2015 | Southern Miss |
| Neil Sterling | OF | 2015-2017 | Utah, Westmont College, Skyline College |
| Ryan Sterling | 2B | 2003-2007 | Georgia State |
| Zak Sterling | P | 2012-2015 | Richmond |
| Bobby Stern | H | 2006-2007 | Fairleigh Dickinson |
| Ethan Stern | IF | 2018-2020 | Lafayette College |
| Jake Stern | OF | 2013-2016 | New Jersey Tech, Pitt Johnstown |
| Jonathan Stern | P | 2000-2004 | Bucknell, Brown |
| Josh Stern | SS | 2003-2006 | Hofstra |
| John Sternagel | SS | 2014-2017 | Florida, Florida Tech |
| Brett Sternberg | OF-1B | 2019-2019 | Rutgers, Creighton |
| John Sternberg | P | 2003-2003 | Bradley |
| Matt Sternberg | 1B-3B | 2001-2002 | Tennessee, Northwest Florida State College |
| Warren Sternberg | P | 2009-2009 | Central Ct State, CC of Rhode Island |
| Cameron Sterne | OF | 2014-2018 | Abilene Christian, Seattle |
| Jack Sterner | P | 2020-2020 | Brigham Young |
| Justin Sterner | P | 2018-2020 | Brigham Young |
| Dylan Sterrett | P | 2011-2015 | Chicago State |
| Jack Sterritt | P | 2010-2013 | Central Florida, Florida Southern, Polk State |
| Tommy Sterritt | P | 2005-2006 | Middle Tenn State, Columbia State CC |
| Ryan Stetson | OF | 2010-2010 | Appalachian State |
| Cole Stetzar | P-IF | 2018-2020 | Saint Joseph's |
| Sam Stetzel | OF | 2010-2013 | Central College |
| Jeff Steuck | 1B | 2018-2020 | Dayton |
| Ranko Stevanovic | IF | 2017-2020 | Southern Illinois, Triton College, North Park |
| Amani Stevens | SS | 2020-2020 | Delaware State |
| Brandon Stevens | C | 2009-2009 | Bradley |
| Brian Stevens | P | 2005-2005 | Cal State Fullerton |
| Chad Stevens | 3B | 2018-2020 | Portland |
| Cole Stevens | P | 2015-2015 | Oklahoma |
| Conner Stevens | P | 2012-2015 | Tennessee, Duke |
| Corey Stevens | OF | 2008-2009 | Southern Miss, Hinds CC |
| Darrel Stevens | P | 2008-2008 | McNeese State |
| Derrick Stevens | P | 2003-2004 | Grambling State |
| Dylan Stevens | P | 2020-2020 | Merrimack College |
| Eric Stevens | P | 2011-2014 | Boston College |
| Garrett Stevens | IF | 2020-2020 | USC-Upstate |
| Gordon Stevens | OF | 2007-2008 | Connecticut, Palomar College |
| Grant Stevens | P | 2020-2020 | Pacific |
| Hunter Stevens | P | 2015-2017 | Southern Miss, Panola College |
| Joey Stevens | C | 2009-2010 | Pensacola State College, Eastern Kentucky |
| John Stevens | H | 2006-2007 | Alabama State |
| Justin Stevens | C | 2005-2006 | Texas-Arlington, Midland College |
| Keith Stevens | IF | 2016-2019 | Florida A&M, Hillsborough CC, Florida Gulf Coast |
| Kevin Stevens | P | 2018-2020 | Texas-Pan American, Yavapai College |
| Kyle Stevens | 1B-OF | 2017-2018 | Murray State, St Louis CC-Florissant Valley |
| Logan Stevens | OF | 2019-2020 | Tulane |
| Matt Stevens | IF | 2002-2005 | UC Santa Barbara |
| Matt Stevens | OF-1B | 2005-2008 | Washington |
| Matt Stevens | H | 2011-2011 | Central Michigan |
| Nate Stevens | P | 2004-2007 | Wright State |
| Pat Stevens | OF | 2001-2002 | Oregon State, Chapman |
| Price Stevens | SS | 2003-2003 | NC A&T State |
| Quinton Stevens | P | 2013-2015 | Tennessee-Martin, Three Rivers CC |
| Ryan Stevens | P | 2015-2018 | Lipscomb, Maple Woods CC |
| Ryan Stevens | COACH | 2005-2006 | Frostburg State, Wells |
| Sammy Stevens | C | 2015-2018 | Georgetown |
| Seth Stevens | IF | 2013-2017 | Nicholls State, Louisiana College |
| Thomas Stevens | H | 2005-2007 | Columbia |
| Tristan Stevens | P | 2018-2020 | Texas |
| Tyler Stevens | IF | 2004-2007 | Florida Atlantic, Elon |
| Zach Stevens | 1B | 2019-2020 | Navy |
| Alex Stevenson | IF-P | 2017-2020 | Eastern Illinois |
| B Stevenson | H | 2004-2004 | Alcorn State |
| Bryan Stevenson | OF | 2004-2005 | Eastern Kentucky, Bluefield State College |
| David Stevenson | OF-1B | 1996-1996 | Los Angeles Valley College, Cal State Northridge |
| Josh Stevenson | P | 2012-2013 | Georgia Southern, Gordon State |
| Russell Stevenson | C | 2018-2020 | California Baptist, Chabot College |
| Shawn Stevenson | SS | 1997-2000 | Washington State |
| Toddrick Stevenson | IF-OF | 2009-2009 | Southern, Meridian CC, Pensacola State College |
| Palmer Steventon | P | 2018-2020 | Lipscomb, Birmingham-Southern College |
| Tom Stevison | IF | 2006-2006 | Toledo |
| David Steward | P | 2018-2018 | Bowling Green State |
| Demarcus Steward | C-1B | 2007-2011 | Alabama A&M |
| Garrett Steward | P | 2009-2011 | Lamar, Northeast Texas CC |
| Joe Steward | OF | 2003-2004 | Jacksonville, Allen County CC |
| Malik Steward | OF | 2014-2014 | North Carolina Central |
| Will Stewardson | P | 2002-2006 | Eastern Michigan |
| Aaron Stewart | P | 2012-2014 | Houston, Blinn College |
| Aaron Stewart | P | 2016-2019 | Gardner-Webb |
| Adam Stewart | P | 2016-2019 | Lipscomb |
| Blake Stewart | P | 2012-2012 | Texas Tech, Midland College |
| Bobby Stewart | OF-P | 2017-2018 | Bethune-Cookman |
| Brad Stewart | 1B | 2001-2002 | Portland |
| Brady Stewart | C | 2011-2014 | Akron |
| Brandon Stewart | P | 2004-2004 | Norfolk State |
| Brennen Stewart | P | 2009-2012 | Texas Tech |
| Bret Stewart | P | 1999-2000 | Tampa |
| Brett Stewart | IF | 2008-2008 | Appalachian State, Tallahassee CC |
| Chase Stewart | P | 2007-2010 | Miami, Northern Kentucky |
| Chase Stewart | P | 2017-2020 | Cincinnati, North Iowa Area CC |
| Cody Stewart | CF | 2012-2013 | UC Riverside, Riverside CC |
| Curt Stewart | 1B | 2002-2005 | Louisville |
| Dalton Stewart | IF | 2017-2020 | UMD-Baltimore Cty, Shepherd University |
| Daniel Stewart | P | 2001-2002 | Southern Miss, Meridian CC |
| Dennis Stewart | OF | 2017-2017 | Mount Saint Mary |
| Dillon Stewart | IF | 2014-2018 | UNC-Greensboro, Brunswick CC |
| Duane Stewart | OF | 1996-1997 | Washington State |
| Dustin Stewart | P | 2017-2018 | Miss. Valley St |
| Dylan Stewart | C-UT | 2019-2020 | Indiana U.-Purdue U.-FW |
| Dylan Stewart | IF | 2020-2020 | Charleston Southern |
| Elliot Stewart | C | 2010-2013 | Cal Poly, West Valley College |
| Garyn Stewart | IF-OF | 2017-2019 | Eastern Illinois, Three Rivers CC |
| Grant Stewart | P | 2017-2019 | Florida State, Northwest Florida State College, Troy |
| Jacob Stewart | IF | 2013-2016 | SIU-Edwardsville |
| Jake Stewart | P | 2002-2006 | Illinois, Illinois State |
| Jake Stewart | OF | 2004-2008 | Houston |
| JD Stewart | H | 2004-2006 | Texas Southern |
| Jess Stewart | P | 2004-2007 | Notre Dame |
| Joe Stewart | OF | 2018-2019 | Michigan State |
| Jordan Stewart | C | 2012-2012 | Kansas State, Southern Nevada |
| Jordan Stewart | P | 2014-2015 | Prairie View A&M, Hill College |
| Josh Stewart | C | 2004-2006 | Bowling Green State |
| Josh Stewart | P | 2004-2004 | New Mexico State |
| Justin Stewart | P | 2019-2019 | South Florida |
| Keith Stewart | C-1B | 2005-2007 | Charleston Southern |
| Kevin Stewart | P | 2007-2007 | Texas Southern |
| Kevin Stewart | P | 2016-2020 | Marist, Ramapo, Kean |
| Kyle Stewart | P-IF | 2009-2011 | Western Carolina |
| Kyle Stewart | IF-OF | 2017-2019 | Navy |
| Lucas Stewart | P | 2003-2004 | Texas-San Antonio, Alvin CC |
| Marc Stewart | P | 2015-2018 | Florida Atlantic, Hillsborough CC |
| Mason Stewart | UTL | 2018-2020 | USC-Upstate |
| Matt Stewart | P | 2008-2009 | St. Bonaventure |
| Nicholas Stewart | P | 2006-2008 | Jackson State |
| Nick Stewart | P | 2018-2020 | James Madison |
| Owen Stewart | IF | 2010-2013 | Monmouth |
| Ryan Stewart | P | 2004-2006 | UNC Asheville |
| Sam Stewart | H | 2004-2004 | Samford |
| Sam Stewart | OF | 2017-2020 | East Tennessee State, Montevallo |
| Taylor Stewart | P-OF | 2002-2003 | Elon |
| Taylor Stewart | C | 2012-2014 | Lipscomb, Volunteer State CC |
| Tim Stewart | 1B | 2004-2007 | UC Irvine, UCLA |
| Tommy Stewart | IF | 2004-2004 | Troy, Florida State, North Florida CC |
| Travis Stewart | P | 2010-2011 | College of Charleston, Northwest Shoals CC |
| Trey Stewart | IF | 2005-2006 | Texas Tech, Coastal Ala |
| Tyler Stewart | C | 2018-2020 | Western Illinois |
| Will Stewart | OF-C | 2020-2020 | North Carolina |
| Wyatt Stewart | P | 2004-2006 | Richmond |
| Zach Stewart | OF | 2011-2012 | Dayton |
| Scott Stice | P | 1986-1988 | Wake Forest, Georgetown |
| Blake Stickley | IF | 2008-2009 | USC-Upstate |
| Casey Stidham | C | 1999-2002 | Towson |
| Mason Stidham | P | 2012-2017 | Seattle, College of Idaho |
| Tyler Stieb | OF | 2013-2016 | Cal State Fullerton, San Joaquin Delta College |
| Roddy Stieger | UT | 2003-2006 | Marshall |
| Alex Stiegler | P-OF | 2017-2020 | Yale |
| David Stiehl | P | 2017-2020 | Northeastern |
| Eric Stiene | P | 2013-2015 | Xavier |
| Zach Stierstorfer | C | 2013-2016 | Grand Canyon, Phoenix College, Utah |
| Steve Stiffler | IF | 2005-2005 | Florida A&M, Daytona Beach CC, Tallahassee CC |
| Jeremy Stifler | OF | 2002-2005 | Towson |
| Ben Stiglets | P | 2018-2018 | Louisiana Tech |
| Josh Stikeleather | P | 2017-2018 | NC A&T State, Southeastern CC-Whiteville |
| Allen Stiles | OF | 2012-2013 | Temple |
| Cody Stiles | P | 2010-2013 | North Carolina, Nova Southeastern |
| Cooper Stiles | C-P | 2014-2017 | Oregon |
| Hunter Stiles | C | 2011-2012 | Mercer |
| Kenny Stiles | IF | 2003-2005 | Tennessee Tech |
| Mike Stiles | P | 2017-2020 | Long Island-Brooklyn, C.W. Post Campus/Long Island |
| Taylor Stiles | P | 2014-2017 | Maryland |
| Evan Still | OF-P | 2012-2012 | Charleston Southern |
| Marcus Still | OF | 2015-2018 | Loyola Marymount, Scottsdale CC, New Mexico State |
| Matt Still | IF | 2010-2011 | Charleston Southern, Limestone College |
| Steven Still | OF-1B | 2013-2013 | SE Missouri State |
| Travis Still | OF | 2012-2014 | Utah, Dixie State College |
| Greg Stiller | P | 2010-2011 | Valparaiso |
| Andrew Stilley | P | 2007-2007 | North Florida |
| David Stilley | P | 2009-2010 | Washington State |
| Chandler Stillings | P | 2017-2018 | Bowling Green State |
| Brendyn Stillman | OF | 2019-2020 | St. Bonaventure, Herkimer County CC |
| Josh Stillman | P-3B | 2019-2019 | North Alabama |
| Shane Stillwagon | P | 2014-2015 | Cal State Fullerton |
| Nathan Stillwell | P | 2000-2004 | Northern Illinois |
| Joe Stilphen | P | 2009-2011 | Louisville |
| Kyle Stilphen | IF | 2009-2010 | Maine |
| Tom Stilson | P | 2006-2008 | Stanford |
| Nick Stiltner | P | 2009-2010 | Oregon State, Corban |
| Cole Stilwell | C | 2019-2020 | Texas Tech |
| Dillon Stimpson | P | 2018-2020 | Maine, Bryant and Stratton College |
| Jeff Stimpson | P | 2004-2006 | Stanford |
| Warren Stimpson | IF | 2009-2014 | Delaware State, Kutztown |
| CJ Stimson | 1B | 2000-2003 | William and Mary |
| Ryan Stinar | P | 2013-2016 | SUNY - Albany |
| Dan Stinchcombe | P | 2004-2008 | Oakland |
| Ben Stine | P | 2013-2017 | Va. Commonwealth, Mercer County CC, East Stroudsburg Pennsylvania |
| Trey Stine | IF | 2014-2018 | New Mexico State, Pima CC |
| Matt Stinebiser | C | 2019-2019 | Duke |
| Kyle Stiner | IF | 2009-2012 | Arizona, New Mexico, Paradise Valley |
| Aiden Stinnett | IF | 2015-2017 | San Diego |
| Carson Stinnett | P | 2018-2020 | Memphis, Northwest Mississippi CC, Hinds CC |
| JD Stinnett | IF | 2013-2013 | Texas State |
| AJ Stinson | P | 2019-2019 | Alabama State |
| Brian Stinson | C-1B | 2010-2013 | Le Moyne |
| Cooper Stinson | P | 2019-2020 | Duke |
| Doug Stinson | P | 2008-2008 | Sacramento State |
| Josh Stinson | C | 2004-2007 | Oklahoma, San Jacinto, Texas A&M |
| Josh Stirneman | IF | 2006-2007 | Houston, Blinn College |
| Bo Stitch | P | 2013-2015 | Central Arkansas |
| Maison Stites | 3B | 2018-2020 | Wichita State, Cowley College, Butler |
| Andrew Stitt | UT | 2009-2009 | North Dakota State |
| Jerry Stitt | OF | 1966-1966 | Arizona |
| Billy Stitz | IF | 2008-2011 | South Dakota State |
| Tristan Stivors | P | 2018-2020 | Texas State, New Mexico JC |
| Jacob Stobart | P | 2017-2020 | Stephen F. Austin, South Mountain CC, Phoenix College |
| Ryan Stobart | P | 2005-2008 | Southern Illinois, Penn State |
| Tucker Stobbe | OF-C | 2007-2008 | High Point |
| Evan Stobbs | P | 2008-2012 | Central Florida, Tampa |
| Sheldon Stober | IF | 2013-2016 | Seattle, Bellevue CC |
| Alex Stobert | P | 2017-2019 | Miami, Tallahassee CC |
| Mark Stocco | OF | 1993-1993 | LSU |
| Erik Stock | IF-P | 2018-2020 | Old Dominion, Connecticut |
| Blake Stockert | P | 2015-2018 | North Dakota State |
| Trevor Stocking | P-IF | 2001-2003 | Evansville, Northern Illinois |
| Brent Stockstill | P-OF | 2014-2014 | Middle Tenn State |
| Garret Stockton | P | 2013-2015 | SE Missouri State, Three Rivers CC |
| Jacob Stockton | OF | 2013-2016 | Louisiana-Monroe, Bossier Parish CC |
| Russell Stockton | COACH | 1990-1994 | Houston |
| Zack Stockton | C | 2017-2020 | UNLV, Santa Barbara City College, Chicago State |
| Nick Stockwell | OF-IF | 2006-2009 | Illinois |
| Tyler Stockwell | C | 2017-2020 | Rider |
| Ethan Stoddard | P | 2019-2020 | Maine, Husson College |
| Jeff Stoddard | P | 2012-2016 | Sacred Heart |
| Carl Stoeber | IF | 2002-2003 | Loyola Marymount |
| Jeff Stoeckel | IF | 2006-2008 | Harvard |
| Scott Stoehr | P | 2003-2007 | Virginia Tech |
| Matt Stoeklen | 1B | 2007-2008 | Ball State, Fort Scott CC |
| Jason Stoermer | P | 2007-2008 | Austin Peay |
| Bo Stohler | OF | 2005-2005 | Morehead State, Trinidad State Junior College, Mesa State College |
| Ryan Stohr | P-IF | 2020-2020 | Air Force |
| Sam Stohr | --- | 2018-2020 | USC-Upstate, Motlow State CC, Montevallo |
| Adam Stojanowski | 3B | 2001-2004 | Massachusetts |
| Omar Stokely | P | 2004-2004 | Jackson State |
| Jacob Stoken | C | 2019-2019 | Elon |
| Beau Stoker | C | 2004-2005 | Southern Utah, Eastern Utah CC |
| Dusty Stoker | P-2B | 2005-2005 | Southern Utah, Eastern Utah CC |
| Steven Stoker | P | 2002-2002 | Southern Utah |
| Anthony Stokes | 1B-P | 2011-2013 | Bethune-Cookman |
| Brendan Stokes | IF | 2007-2010 | Northeastern |
| Bryce Stokes | P | 2009-2009 | Savannah State |
| Dale Stokes | --- | 1983-1983 | LSU |
| Hunter Stokes | IF | 2017-2020 | South Alabama |
| Johnathan Stokes | IF | 2012-2015 | The Citadel |
| Jordan Stokes | C | 2011-2013 | Tennessee-Martin |
| Phil Stokes | P | 2016-2017 | Campbell, Lackawanna College |
| Spencer Stokes | IF | 2013-2016 | Bucknell |
| Will Stokes | P | 2015-2018 | Mississippi |
| Omar Stokley | P | 2004-2005 | Jackson State |
| Nick Stokowski | IF | 2015-2018 | Central Michigan, Parkland College, Illinois at Springfield |
| Ben Stoll | IF | 2001-2004 | Bucknell |
| Drew Stoll | OF | 2010-2012 | Saint Joseph's |
| Evan Stoll | P | 2017-2017 | Missouri |
| Isaac Stoll | P | 2007-2007 | SE Missouri State, Vincennes |
| Joe Stoll | P-OF | 2013-2017 | Ohio State |
| Darik Stollmeyer | OF | 2002-2003 | Cal Poly, Allan Hancock College |
| Isaiah Stolp | P | 2015-2018 | Oregon, Puget Sound |
| Eric Stolt | P | 2017-2020 | Dartmouth |
| Jud Stoltz | P | 2008-2011 | Middle Tenn State |
| Trenton Stoltz | P | 2015-2018 | Utah |
| E.J. Stoltzfus | IF | 2011-2014 | Delaware |
| Tyler Stolz | P | 2014-2015 | Western Illinois |
| Nate Stolze | C | 2018-2020 | Miami, Heartland CC |
| Eric Stolzenburg | P | 2012-2015 | Canisius College |
| Chris Stonaha | IF | 2001-2003 | Quinnipiac |
| Aaron Stone | P | 2016-2019 | Saint Louis, Quincy |
| Adam Stone | IF | 2002-2002 | Tennessee Tech, Shawnee CC |
| Andrew Stone | IF | 2016-2019 | Western Michigan |
| Austin Stone | P | 2012-2016 | Baylor |
| Bob Stone | P | 2010-2010 | UW Milwaukee, Madison Area Technical College |
| Brandon Stone | C-IF | 2018-2019 | Boston College, Daytona Beach CC |
| Brett Stone | OF | 2014-2014 | Northern Colorado |
| Bryan Stone | OF-P | 2004-2004 | Washington State, Central Arizona College |
| Bryan Stone | OF | 2004-2004 | Oregon State, Western Oregon |
| Cade Stone | OF | 2014-2017 | LSU, Louisiana-Monroe, LSU-Eunice |
| Cameron Stone | P | 2014-2017 | Stony Brook |
| Chance Stone | P | 2019-2020 | Louisiana-Lafayette, LSU-Eunice |
| Cody Stone | OF | 2013-2016 | Louisiana-Monroe |
| Donnie Stone | IF | 2018-2020 | Marist, Cumberland County College |
| Dylan Stone | IF-OF | 2009-2010 | Bryant University |
| Eric Stone | P | 2012-2015 | Boston College |
| Gavin Stone | P | 2018-2020 | Central Arkansas |
| Grant Stone | P | 2017-2018 | Harvard |
| Gregory Stone | P | 1975-1975 | South Alabama |
| Hadley Stone | P | 2015-2015 | Lafayette College |
| Hayden Stone | P | 2014-2016 | Vanderbilt |
| J.T. Stone | IF | 2017-2018 | Miami, Mount Olive College |
| Jacob Stone | P | 2013-2015 | Weatherford College, Arkansas |
| James Stone | P | 2009-2012 | Fordham, C.W. Post Campus/Long Island |
| Jason Stone | P | 2002-2002 | Mercer |
| Jason Stone | OF | 2014-2014 | Incarnate Word, Texas State |
| Jody Stone | OF | 2014-2014 | Georgia State, Valdosta State, Gordon State |
| Joe Stone | P | 2005-2005 | UNLV, Hutchinson CC |
| Jonathan Stone | 3B | 2003-2005 | Sam Houston State, Northeast Texas CC |
| Jonathan Stone | C | 2020-2020 | St. Mary's (CA) |
| Kevin Stone | P | 2016-2019 | Harvard |
| Kollin Stone | P | 2017-2020 | Arkansas State, Mineral Area College |
| Kyle Stone | 2B-3B | 2012-2012 | Jacksonville State, Feather River College |
| Matt Stone | P | 2007-2008 | San Jose State, Chabot College |
| Matt Stone | OF-IF | 2003-2005 | Yale |
| Matt Stone | C | 2019-2020 | Georgetown |
| Mitchell Stone | P | 2018-2019 | Oklahoma State |
| Nate Stone | SS-3B | 2002-2005 | Army |
| Noah Stone | P | 2019-2019 | Arkansas State |
| Pete Stone | OF | 2003-2006 | Eastern Illinois |
| Phil Stone | P | 2005-2006 | George Mason, Frederick CC |
| Rob Stone | P | 2018-2018 | Holy Cross |
| Steve Stone | P | 2003-2006 | Mount Saint Mary |
| Stoney Stone | P | 2005-2006 | Texarkana College, Mississippi |
| TJ Stone | P | 2008-2008 | Utah Valley U, Southern Virginia University |
| Tommy Stone | 1B | 2004-2004 | McNeese State |
| Travis Stone | P | 2015-2019 | Stephen F. Austin, Weatherford College, Dallas Baptist |
| Wayne Stone | 3B | 2001-2001 | Texas |
| Zach Stone | P | 2014-2018 | UC Davis, Arizona |
| Zane Stone | P | 2007-2008 | Tennessee, Walters State CC |
| Zeth Stone | IF | 2009-2013 | Elon, Samford |
| Tate Stone-Frisina | P | 2020-2020 | Rollins |
| Kenny Stoneback | IF | 2009-2011 | Old Dominion |
| Garrett Stonehouse | IF | 2017-2020 | Elon |
| Brent Stoneking | P | 2015-2016 | Morehead State |
| Grayson Stoneking | P | 2018-2020 | Presbyterian College |
| Jordan Stoner | OF | 2017-2019 | Tennessee-Martin, Tacoma CC |
| Josh Stoner | OF | 2002-2002 | Butler |
| Steve Stoner | P | 2002-2005 | Mount Saint Mary |
| Trenton Stoner | IF | 2018-2020 | Indiana U.-Purdue U.-FW |
| Brad Stonesifer | 2B-SS | 2004-2004 | Towson |
| Brent Stong | P | 2013-2016 | Bradley |
| Dan Stong | 3B | 2003-2006 | Toledo |
| Nathan Stong | P | 2015-2017 | Bradley |
| Cody Stonish | OF | 2011-2011 | Canisius College |
| Cory Stooksbury | IF | 2010-2011 | Tennessee-Martin, Cleveland State CC |
| Dan Stoops | P | 2012-2013 | Massachusetts |
| Tim Stoops | P | 2012-2013 | Massachusetts |
| David Stopp | P | 2018-2020 | Bowling Green State |
| Troy Stoppa | P | 1996-1999 | Gonzaga |
| Stephen Stopper | OF | 2011-2013 | Rider, Mansfield Pennsylvania |
| Riley Storedahl | P | 2018-2018 | Marshall |
| Heath Storey | COACH | 2009-2011 | Flagler College, Jefferson College |
| Jamie Storey | P | 2010-2011 | Houston Baptist, Midland College |
| Jordan Storey | P | 2013-2014 | Va. Commonwealth, South Mountain CC |
| Loren Storey | OF | 2006-2007 | Fresno State, Crowder |
| Matt Storey | P | 2004-2004 | Furman |
| Trevor Storie | P | 2015-2016 | Indiana U.-Purdue U.-FW, Heartland CC |
| Josh Storm | P | 2008-2009 | Troy, Chipola College |
| Zack Storm | IF | 2013-2013 | Kentucky |
| Burt Stormes | 3B | 2001-2004 | Mount Saint Mary |
| Collin Storms | P | 2018-2020 | New Mexico, Navarro College |
| Jeff Storms | IF | 2008-2009 | Texas-Arlington, Howard College |
| Kristjan Storrie | P | 2016-2019 | Lamar, Galveston College |
| Michael Storrs | P | 2008-2009 | Chicago State |
| Ben Story | C | 2013-2014 | Northern Colorado, Fort Scott CC |
| Drew Story | P | 2007-2010 | East Tennessee State |
| Rodney Story | P | 2004-2005 | Gulf Coast CC, SE Louisiana |
| Zach Story-Baker | OF | 2014-2014 | UNLV |
| Nick Storz | P | 2018-2020 | LSU |
| Scott Stotlar | SS | 2003-2003 | UNC Asheville, Benedictine Springfield |
| Brooks Stotler | OF | 2016-2019 | Long Beach State |
| Tyler Stott | OF | 2008-2009 | UNC Wilmington |
| Morgan Stotts | IF | 2013-2015 | UNLV, Southern Nevada |
| Dean Stotz | COACH | 1974-1974 | Stanford |
| Ryan Stoudemire | P-1B | 2017-2020 | Charleston Southern |
| Todd Stoudenmire | OF | 2007-2007 | College of Charleston |
| Nolan Stouder | P | 2013-2016 | Utah, College of Southern Idaho, Point Loma Nazarene |
| Jonathan Stoudt | P | 2005-2007 | East Tennessee State |
| Levi Stoudt | P | 2017-2019 | Lehigh |
| Brady Stouffer | IF | 2006-2009 | Hartford |
| Scott Stough | P | 2017-2018 | Troy |
| Andrew Stout | --- | 2018-2019 | Liberty, Concordia |
| Austin Stout | IF | 2014-2017 | Northern Illinois, Olney Central College |
| Jake Stout | P | 2016-2019 | Toledo |
| Mike Stout | IF | 2006-2006 | Butler |
| Richard Stout | IF | 2006-2009 | Arizona, New Mexico State |
| Sam Stoutenborough | P | 2019-2020 | California |
| Christian Stoutland | P | 2016-2019 | Pepperdine |
| Daniel Stovall | 3B-1B | 2004-2007 | New Mexico |
| Jeff Stovall | P | 1999-2003 | Campbell, Furman |
| Jeff Stovall | P | 2012-2016 | Nebraska, Howard College, Northwestern State |
| Jonathan Stovall | P | 2004-2007 | Miss. Valley St |
| Joseph Stovall | OF | 2013-2015 | Belmont |
| Barrett Stover | P | 2009-2010 | USC-Upstate, Lenoir CC |
| Brady Stover | P | 2017-2020 | South Dakota State |
| Brandon Stover | COACH | 2001-2002 | Abilene Christian |
| Jack Stover | P | 2013-2016 | Saint Joseph's |
| Jacob Stover | OF | 2005-2006 | Ark-Little Rock, Salt Lake CC |
| Joe Stover | P | 2008-2009 | Ohio, Joliet Junior College |
| Paxton Stover | P | 2015-2018 | Mississippi State, Dyersburg State CC, Vanderbilt |
| Rick Stover | C | 2013-2013 | Oklahoma State, Howard College |
| Tyler Stover | 1B | 2014-2018 | Kansas State, Solano CC (CA), Louisiana-Lafayette |
| Harrison Stovern | P-OF | 2019-2020 | Harvard |
| Braxton Stowe | 1B | 2018-2019 | Saint Louis |
| Trenton Stowe | C | 2015-2019 | Texas A&M-Corpus Christi, Feather River College, Chico State |
| Clint Stoy | OF | 2001-2002 | Southern Miss, Cowley College |
| Zach Straayer | P | 2003-2004 | Western Michigan, Grand Rapids CC |
| Dannie Strable | P | 2010-2012 | Lipscomb, Iowa Central CC |
| Peyton Stracener | P | 2017-2017 | Jacksonville State |
| Alex Strachan | 1B | 2018-2020 | Jacksonville State |
| Michael Strachman | P | 2008-2010 | Fairleigh Dickinson |
| Paul Strack | H | 2007-2007 | Indiana State, Franklin College |
| Will Strack | P | 2009-2012 | Illinois |
| Jacob Stracner | OF | 2016-2019 | McNeese State |
| Ken Strader | P | 2002-2004 | Duquesne |
| Brody Strahan | P | 2018-2020 | McNeese State |
| Todd Strahlendorf | P | 2007-2009 | SE Missouri State, Santa Rosa Junior College |
| Cyrus Strahm | OF | 2014-2015 | Morehead State |
| P.J. Strahm | P | 2016-2018 | Bucknell |
| Doug Straight | P | 1997-2000 | Kent State |
| Wade Strain | P | 2017-2020 | William and Mary |
| Michael Strait | OF | 2016-2019 | Richmond |
| Clint Straka | P | 2008-2009 | Northern Oklahoma College-Enid Campus, Central Oklahoma |
| Aaron Straker | OF | 2019-2020 | Savannah State |
| Jonathan Stralka | 1B | 2004-2004 | Air Force |
| Collin Strall | P | 2014-2017 | LSU, Tallahassee CC |
| Dean Stramara | P | 2016-2019 | Towson |
| Kyle Stramara | OF | 2006-2008 | Army |
| Payton Strambler | P | 2018-2020 | New Mexico, McLennan CC |
| Wade Stramp | IF | 2013-2015 | Texas Tech, North Central Texas College, Lubbock Christian University |
| Zane Strand | P | 2017-2019 | Arizona State, Central Arizona College |
| Noel Strane | IF | 2003-2005 | San Diego State, Grossmont College |
| Cam Strang | IF | 2008-2011 | Eastern Illinois |
| Kyle Strang | OF | 2006-2009 | Saint Peter's |
| Andrew Strange | IF | 2004-2007 | Indiana State |
| Nick Strange | P | 2017-2018 | Washington State, Tacoma CC |
| Jon Strangio | P | 2008-2010 | Harvard |
| Randy Strann | P | 2001-2002 | Kansas, Richland College |
| Tony Strasiser | OF | 2015-2015 | West Virginia |
| Bernie Stratchko | P | 2005-2006 | Maryland-Eastern Shore |
| Tommy Stratchko | P | 2004-2006 | Coppin State College, College of Southern Maryland |
| Brett Stratinsky | 1B | 2017-2019 | Middle Tenn State, McHenry County College |
| Andrew Stratman | P | 2018-2020 | Kansas State |
| Derek Stratman | P | 2004-2004 | Missouri State, Southwestern Illinois College |
| Luke Stratman | IF | 2014-2017 | Washington State, Lamar CC, Dallas Baptist |
| Colby Stratten | IF | 2015-2018 | Indiana |
| Hunter Stratton | C | 2015-2017 | San Diego State, Walters State CC |
| Will Stratton | P | 2008-2011 | Yale |
| Austin Straub | C | 2009-2013 | Rider, Keystone College |
| Jake Straub | C | 2011-2014 | Northwestern |
| Jeff Straub | P | 2009-2009 | Purdue |
| Arthur Strauss | P | 2010-2013 | Samford |
| G.J. Strauss | P | 2011-2013 | Western Kentucky, Florida Tech |
| Taylor Strauss | IF-P | 2014-2016 | Florida A&M |
| Zach Strauss | OF | 2008-2008 | Wright State |
| Brian Strawn | I-FP | 2008-2009 | Iowa Central CC, Nebraska at Omaha |
| Jared Strayer | P | 2008-2011 | Ohio State |
| Tony Strazzara | 2B-3B | 2008-2011 | San Diego |
| Mason Streater | IF | 2018-2020 | South Carolina, Walters State CC, Lander |
| Kirk Strebin | OF | 2002-2003 | UNC-Greensboro, Danville Area CC |
| Tyler Strechay | P | 2020-2020 | West Virginia |
| Erick Streelman | IF | 2001-2004 | Nevada |
| Brandon Street | OF-1B | 2008-2009 | SE Louisiana, Chipola College |
| Hanson Street | IF | 2007-2007 | Pepperdine |
| Jordon Street | P | 2005-2006 | Texas |
| Josh Street | IF | 2008-2009 | SIU-Edwardsville, St. Charles CC |
| Matt Street | OF | 2002-2005 | Virginia |
| Robbie Streett | IF | 2012-2015 | Charleston Southern |
| Steve Streich | P | 2007-2011 | San Diego, Utah |
| Kyle Streicher | OF | 2013-2014 | Georgia Southern |
| Bobby Streisel | P | 2009-2011 | Wofford |
| Michael Strem | P-IF | 2014-2017 | Boston College |
| Ethan Stremmel | P | 2013-2016 | McNeese State, Galveston College |
| Matt Streng | IF | 2008-2011 | Ohio State |
| Killian Strenn | 2B-SS | 2013-2014 | Norfolk State, College of the Albemarle |
| Aaron Stretch | P | 2016-2019 | SE Missouri State, South Mountain CC |
| Mark Strey | OF | 2011-2012 | UW Milwaukee, Madison Area Technical College |
| Allen Strick | 3B | 2001-2004 | Old Dominion |
| Kyle Stricker | P | 2016-2017 | Towson |
| Beau Strickland | C | 2015-2017 | The Citadel |
| Brandon Strickland | P | 2004-2006 | SE Louisiana |
| Brandon Strickland | P | 2009-2011 | North Carolina Central |
| Carter Strickland | P | 2019-2019 | Longwood |
| Dorsey Strickland | P | 2004-2006 | Coastal Carolina |
| Gregory Strickland | P | 2019-2020 | Brown |
| Jammer Strickland | OF | 2015-2017 | Tennessee, East Tennessee State, Cleveland State CC |
| Mason Strickland | P | 2016-2019 | Southern Miss, Jones County Junior College |
| McKinley Strickland | 1B | 2019-2020 | NC A&T State, Methodist |
| Phillip Strickland | 2B | 2003-2005 | Campbell |
| Samuel Strickland | P | 2018-2020 | Samford |
| Skylar Strickland | C | 2013-2013 | Savannah State |
| Zach Strickland | P | 2017-2018 | Georgia Southern |
| Steve Strickler | OF | 2000-2003 | Bradley |
| Anthony Stricklin | OF | 2015-2016 | Jackson State, Southwest Tennessee CC |
| Matt Strickroth | OF-1B | 1999-2002 | Notre Dame |
| Spencer Strider | P | 2018-2020 | Clemson |
| Luke Strieber | P | 2013-2016 | Princeton |
| Phil Striggow | 3B-1B | 2011-2012 | UW Milwaukee, Kankakee CC |
| Michael Striker | P | 2002-2006 | New York Tech |
| Cody Stringer | P | 2014-2014 | Ark-Little Rock, Arkansas Baptist College |
| Cole Stringer | P | 2016-2019 | Oregon |
| Corey Stringer | C | 2012-2013 | Nebraska, Fort Scott CC |
| Daniel Stringer | P | 2002-2002 | Sam Houston State, Galveston College |
| Ethan Stringer | OF | 2018-2020 | Louisville, North Greenville |
| Nickolas Stringer | OF | 2019-2019 | Miami |
| Terrell Stringer | P | 2009-2010 | Southern, Northwest Florida State College |
| Darryl Stringfield | P | 2007-2009 | Va. Commonwealth |
| Breeze Stringham | IF | 2006-2006 | Utah, De Anza |
| Craig Stringham | P | 2008-2010 | Utah Valley U, Saddleback College |
| Jonathan Stripling | P | 2004-2004 | Temple |
| Will Stripling | OF | 2018-2018 | Alabama A&M |
| Ryan Strittmather | IF | 2019-2020 | Ohio |
| Jordan Strittmatter | P | 2012-2015 | South Florida |
| Alex Strizak | P | 2016-2018 | Loyola Marymount, Point Loma Nazarene |
| Mike Strobel | 3B | 1990-1990 | UNLV |
| Spencer Strobel | P | 2018-2020 | Indiana U.-Purdue U.-FW, Indiana Tech |
| Jacob Stroder | P | 2014-2018 | Dallas Baptist, North Central Texas College, Southern Arkansas |
| Gareth Stroh | P | 2016-2020 | Purdue, Coffeyville CC, Nebraska |
| Charlie Strohecker | P | 2007-2008 | Georgia Southern |
| Coleman Strohm | P | 2014-2017 | Lafayette College |
| Drew Strohm | P | 2019-2019 | Western Kentucky |
| Ryan Strollo | OF | 2020-2020 | Fairfield |
| Garrett Strom | OF | 2017-2018 | St. Bonaventure |
| Gary Strom | P | 1965-1965 | San Jose State |
| Jim Strombach | OF | 2003-2006 | Sacramento State |
| Zach Stromberg | P | 2016-2019 | Boston College |
| Pete Strommen | OF | 2012-2016 | Eastern Illinois, UW Stevens Point |
| Cody Strong | C-OF | 2013-2016 | Purdue |
| Davis Strong | OF | 2013-2016 | St. Mary's (CA), Diablo Valley |
| Geoff Strong | P | 2007-2010 | Niagara |
| Joseph Strong | P-1B | 2019-2019 | Bethune-Cookman |
| Josh Strong | P | 2012-2016 | Winthrop |
| Justin Strong | P | 2004-2004 | Fresno State |
| Nick Strong | P | 2004-2005 | Texas Southern |
| Reece Strong | IF | 2013-2016 | Western Carolina |
| William Strong | P | 2007-2007 | McNeese State |
| Willy Strong | P | 2017-2018 | East Carolina |
| Steve Stropp | C | 2006-2009 | Central Florida, Florida Intl |
| Austin Stroschein | P | 2014-2017 | Creighton, Des Moines Area CC, Johnson County CC |
| Jordan Stroschein | OF | 2014-2015 | Chicago State, Ellsworth CC |
| Clint Stroud | P | 2013-2014 | Illinois State, Heartland CC |
| Jack Stroud | P | 2020-2020 | Florida Atlantic |
| Liam Stroud | P | 2014-2017 | Niagara, British Columbia |
| Todd Stroud | OF-C | 2002-2004 | New Mexico, Texas A&M, Grayson County College |
| Tyler Stroup | OF | 2014-2017 | Appalachian State |
| Will Stroup | P | 2005-2008 | Birmingham-Southern College, Alabama |
| Brennan Strovink | IF | 2017-2018 | Lamar, Limestone College |
| Kyle Strube | P | 2010-2010 | Western Michigan |
| Blake Struble | P | 2020-2020 | SIU-Edwardsville |
| Jordan Struble | OF-C | 2002-2006 | Long Beach State, Saddleback College, Riverside CC |
| Kurt Struckhoff | P | 2002-2006 | Saint Louis |
| Brett Struebing | P | 2015-2015 | Western Michigan |
| Ryan Strufing | P | 2011-2015 | Long Beach State |
| Tommy Strunc | P | 2013-2015 | Creighton |
| Nate Struss | UT | 2013-2016 | Long Island-Brooklyn |
| Steve Strutz | IF | 2007-2008 | Western Illinois, South Suburban College, Grand Valley State |
| Adam Stuart | IF | 2020-2020 | High Point |
| Austin Stuart | P | 2009-2012 | Winthrop |
| Baron Stuart | P | 2018-2020 | South Florida |
| Casey Stuart | C | 2006-2009 | Mercer |
| Colby Stuart | P | 2019-2020 | East Tennessee State |
| Daunte Stuart | SS | 2020-2020 | Northwestern State |
| Kyle Stuart | P | 2016-2019 | Samford |
| Nick Stuart | OF | 2016-2016 | UNC Wilmington, Lenoir CC |
| Stephen Stuart | UT | 2014-2017 | Stephen F. Austin, Blinn College |
| Taylor Stuart | OF | 2011-2013 | Rhode Island, Hofstra |
| TJ Stuart | P | 2017-2020 | Manhattan College |
| Joe Stubbe | C | 2013-2015 | Ball State, North Central College, Madison Area Technical College |
| Jesper Stubbendorff | P | 2002-2003 | Air Force |
| Jake Stubblefield | 1B | 2003-2003 | Brigham Young |
| Jordan Stubblefield | P | 2005-2005 | Liberty, Harford CC |
| Owen Stubblefield | P | 2016-2017 | Alabama A&M |
| Clint Stubbs | CF | 2007-2010 | Texas, Louisiana Tech |
| Joel Stubbs | 3B | 2010-2012 | Binghamton |
| Terrence Stubbs | P | 2011-2013 | Alcorn State, New Mexico JC |
| Harry Stubel | P | 2007-2009 | Western Kentucky |
| Langford Stuber | P | 2007-2010 | Princeton |
| Brandon Stuckenschneider | P | 2017-2020 | Arkansas State, UWGA |
| Jerry Stuckey | P | 2012-2015 | Georgia State |
| Mark Stuckey | OF-IF | 2010-2014 | Marist, Millersville Pennsylvania |
| Wyatt Stuckey | P | 2019-2019 | Mount Saint Mary |
| Mark Stuckless | OF | 2008-2009 | Hofstra, Monroe CC |
| Dan Stucky | SS | 2001-2005 | Kansas, Alabama-Birmingham |
| Matt Stucky | P | 2007-2010 | Valparaiso |
| Sam Stucky | C | 2011-2012 | Nebraska, Johnson County CC |
| Zach Stucky | OF | 2011-2014 | Wichita State, Emporia State |
| Mason Studstill | P | 2017-2020 | Miami, Eastern FL ST, Florida Gulf Coast |
| Jason Stuecher | IF | 1997-2000 | Toledo |
| Ryan Stuempfig | P | 2019-2020 | Wichita State |
| Aaron Stull | P | 2011-2011 | Virginia |
| Chris Stull | OF | 1985-1986 | Northeastern Oklahoma A&M College, Oklahoma |
| Matt Stull | P | 2008-2010 | South Florida |
| Dusty Stultz | P | 2006-2007 | Elon |
| Jeremy Stumetz | P | 2007-2010 | Gonzaga |
| Austin Stump | P | 2019-2020 | Alabama-Birmingham |
| Corey Stump | P | 2012-2017 | Florida, Southeastern University |
| Marcus Stump | IF | 2015-2018 | Bethune-Cookman, Southeastern University |
| Dustin Stumpf | IF | 2010-2010 | Sacramento State, Hartnell College |
| Andrew Stumph | C | 2010-2013 | Texas State |
| Duke Stunkel | OF-IF | 2015-2018 | South Florida, St. Petersburg College |
| Russ Stupienski | P-C | 2011-2012 | Saint Peter's |
| Joe Stupka | P | 2006-2007 | West Virginia |
| Cole Stupp | P | 2020-2020 | Kentucky |
| Derek Stupski | 1B-3B | 2009-2012 | Long Island-Brooklyn |
| Matthew Sturchio | P | 2014-2017 | Western Illinois, Triton College |
| Chris Sturdivant | OF | 2009-2011 | Gonzaga |
| Nathan Sturdivant | P | 1999-1999 | Grayson County College, Oklahoma |
| Tyler Sturdivant | P | 2014-2014 | Utah Valley U |
| Frank Sturek | OF | 2015-2018 | George Mason, Louisburg College |
| Chad Sturgeon | C-P | 2010-2013 | Delaware State |
| Chris Sturgeon | P | 1993-1996 | Oregon State, Clemson |
| Bryan Sturges | IF-C | 2018-2020 | Texas Christian, Howard College, Texas-San Antonio |
| Tyler Sturges | P | 2010-2014 | Kansas State, Oklahoma Christian |
| Nate Sturgis | P | 2009-2012 | Central Ct State |
| Eric Sturkie | 3B | 2004-2007 | Wofford |
| Keith Sturkie | P | 2001-2004 | Wofford |
| Brad Sturm | P | 2005-2005 | Charleston Southern |
| Jason Stutes | P | 2005-2007 | Lamar, Alvin CC |
| Tyler Stutes | P-1B | 2005-2006 | McNeese State, Pearl River CC |
| Connor Stutts | OF-IF | 2016-2018 | Notre Dame, Alabama |
| Braden Stutzman | C-IF | 2017-2020 | Oregon, Dixie State College |
| Steve Stutzman | IF | 2002-2004 | Bucknell |
| Colin Stuver | P | 2008-2011 | Mount Saint Mary |
| Sean Stuyverson | SS | 2006-2008 | Florida State, Mississippi, Northwest Florida State College |
| Sammy Styers | H | 2002-2004 | Belmont, Gardner-Webb |
| Ben Styes | P | 2006-2007 | Alabama-Birmingham, Gadsden State CC, North Alabama |
| Michael Stygles | OF-P | 2018-2020 | Oakland, Lansing CC |
| Don Stykel | P | 1998-2002 | Oregon State |
| Cam Stykemain | OF | 2008-2011 | Niagara |
| Corbin Stykemain | P | 2012-2013 | Niagara |
| John Henry Styles | P | 2015-2018 | Stanford |
| Justin Styles | IF | 2003-2003 | San Jose State, Sonoma State |
| Nathan Styles | P | 2018-2018 | Air Force |
| Tommy Styn | 2B | 2013-2016 | St. Bonaventure |
| Kevin Stypulkowski | C | 2013-2016 | Florida, Miami-Dade College, Maine |
| 1052 record(s) |