| Josh Tomlin | SP | 33.264 | Cleveland Indians | Cleveland Indians (MLB) | DL-10 Right hamstring strain |
| Andrew Lockett | P | 24.068 | San Diego Padres | El Paso (AAA) | Assigned to El Paso (AAA) |
| Eric Sogard | 2B | 32.049 | | | Released by Brewers |
| Ian Kennedy | SP | 33.203 | Kansas City Royals | Kansas City Royals (MLB) | Activated from DL |
| Jason Adam | RP | 26.341 | Kansas City Royals | Omaha (AAA) | Assigned to Omaha (AAA) |
| Sean Doolittle | RP | 31.287 | Washington Nationals | Washington Nationals (MLB) | DL-10 Left big toe inflammation |
| Michael Hermosillo | CF | 23.174 | Los Angeles Angels | Los Angeles Angels (MLB) | Recalled from Salt Lake (AAA) |
| Deck McGuire | P | 29.017 | Los Angeles Angels | Salt Lake (AAA) | Assigned to Salt Lake (AAA) |
| Wander Suero | P | 26.299 | Washington Nationals | Washington Nationals (MLB) | Recalled from Syracuse (AAA) |
| Austin Voth | P | 26.014 | Washington Nationals | Washington Nationals (MLB) | Recalled from Syracuse (AAA) |
| Jefry Rodriguez | p | 24.349 | Washington Nationals | Syracuse (AAA) | Assigned to Syracuse (AAA) |
| Giovanny Gallegos | P | 26.331 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Assigned to Scranton/Wilkes-Barre (AAA) |
| Luis Cessa | SP | 26.076 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Assigned to Scranton/Wilkes-Barre (AAA) |
| Jimmy Yacabonis | P | 26.111 | Baltimore Orioles | Norfolk (AAA) | Assigned to Norfolk (AAA) |
| Edward Paredes | P | 31.283 | Los Angeles Dodgers | Oklahoma City (AAA) | Assigned to Oklahoma City (AAA) |
| Kenta Maeda | SP | 30.090 | Los Angeles Dodgers | Los Angeles Dodgers (MLB) | Reinstated to active roster |
| Ji-Man Choi | 1B | 27.052 | Tampa Bay Rays | Tampa Bay Rays (MLB) | Recalled from Durham (AAA) |
| Johnny Field | OF | 26.141 | Tampa Bay Rays | Durham (AAA) | Assigned to Durham (AAA) |
| Yefry Ramirez | P | 24.224 | Baltimore Orioles | Norfolk (AAA) | Assigned to Norfolk (AAA) |
| Ryan Meisinger | P | 24.067 | Baltimore Orioles | Norfolk (AAA) | Assigned to Norfolk (AAA) |
| Jake Thompson | SP | 24.160 | Philadelphia Phillies | Lehigh Valley (AAA) | Assigned to Lehigh Valley (AAA) |
| Jhan Marinez | P | 29.332 | Baltimore Orioles | Baltimore Orioles (MLB) | Contract purchased from minors |
| Donnie Hart | RP | 27.307 | Baltimore Orioles | Baltimore Orioles (MLB) | Recalled from Norfolk (AAA) |
| Tom Murphy | C | 27.098 | Colorado Rockies | Colorado Rockies (MLB) | Reinstated to active roster |
| Jordan Patterson | OF | 26.149 | Colorado Rockies | Albuquerque (AAA) | Assigned to Albuquerque (AAA) |
| Stephen Strasburg | SP | 29.355 | Washington Nationals | Potomac (A+) | Assigned to Potomac (A+) for rehab |
| Trevor Plouffe | 3B | 32.025 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Contract purchased from minors |
| Enyel De Los Santos | p | 22.198 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Contract purchased from minors |
| Dylan Cozens | OF | 24.040 | Philadelphia Phillies | Lehigh Valley (AAA) | Assigned to Lehigh Valley (AAA) |
| Hoby Milner | RP | 27.178 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Designated for Assignment |
| Pedro Florimon | SS | 31.212 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Transferred to 60-day DL |
| Jacob Rhame | P | 25.116 | New York Mets | Las Vegas (AAA) | Assigned to Las Vegas (AAA) |
| Drew Gagnon | P | 28.014 | New York Mets | New York Mets (MLB) | Contract purchased from minors |
| Paul Sewald | RP | 28.045 | New York Mets | Las Vegas (AAA) | Assigned to Las Vegas (AAA) |
| Chris Tillman | SP | 30.086 | Baltimore Orioles | Frederick (A+) | Assigned to Frederick (A+) for rehab |
| Frankie Montas | SP | 25.111 | Oakland Athletics | Nashville (AAA) | Assigned to Nashville (AAA) |
| Ryan Dull | RP | 28.281 | Oakland Athletics | Oakland Athletics (MLB) | Recalled from Nashville (AAA) |
| Joe Musgrove | SP | 25.218 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Activated from DL |
| Alex Mcrae | P | 25.095 | Pittsburgh Pirates | Indianapolis (AAA) | Assigned to Indianapolis (AAA) |
| Jake Marisnick | CF | 27.102 | Houston Astros | Houston Astros (MLB) | Recalled from Fresno (AAA) |
| Gerrit Cole | SP | 27.305 | Houston Astros | Houston Astros (MLB) | Placed on bereavement list |
| Felix Hernandez | SP | 32.093 | Seattle Mariners | Seattle Mariners (MLB) | DL-10 Lower back stiffness |
| John Andreoli | LF | 28.031 | Seattle Mariners | Tacoma (AAA) | Assigned to Tacoma (AAA) |
| Nick Rumbelow | RP | 26.308 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Gordon Beckham | SS | 31.297 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Adam Plutko | P | 26.281 | Cleveland Indians | Cleveland Indians (MLB) | Recalled from Columbus (AAA) |
| Franmil Reyes | RF-OF | 23.005 | San Diego Padres | San Diego Padres (MLB) | Recalled from El Paso (AAA) |
| Ervin Santana | SP | 35.181 | Minnesota Twins | Chattanooga (AA) | Assigned to Chattanooga (AA) for rehab |
| Brandon Benson | OF | 24.027 | St. Louis Cardinals | State College (A-) | Assigned to State College (A-) |
| Robinson Martinez | P | 20.112 | Philadelphia Phillies | Gulf Coast Phillies (Rk) | Assigned to Gulf Coast Phillies (Rk) |
| Nestor Oronel | P | 21.209 | New York Yankees | Gulf Coast Yankees (Rk) | Assigned to Gulf Coast Yankees (Rk) |
| Austin Glorius | P | 25.061 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Assigned to Gulf Coast Red Sox (Rk) |
| Estevan Florial | OF | 20.227 | New York Yankees | Gulf Coast Yankees (Rk) | Assigned to Gulf Coast Yankees (Rk) |
| Keith Skinner | C | 24.087 | New York Yankees | Gulf Coast Yankees (Rk) | Assigned to Gulf Coast Yankees (Rk) |
| Zach Schellenger | P | 22.183 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Assigned to Gulf Coast Red Sox (Rk) |
| Yanio Perez | OF | 22.335 | Texas Rangers | Arizona Rangers (Rk) | Assigned to Arizona Rangers (Rk) |
| Ryan Webb | P | 32.155 | Chicago Cubs | Arizona Cubs (Rk) | Assigned to Arizona Cubs (Rk) |
| Wilmer Torres | P | 22.040 | - | | Released by Padres |
| James Marinan | P | 19.273 | Cincinnati Reds | Billings (Rk) | |
| Chase Vallot | C | 21.323 | Kansas City Royals | Idaho Falls (Rk) | Assigned to Idaho Falls (Rk) |
| Kody Rock | P | 24.054 | - | | Released by Brewers |
| Bryan Abreu | P | 21.079 | Houston Astros | Quad Cities (A) | Assigned to Quad Cities (A) |
| Brian Mims | 2B | 22.118 | Philadelphia Phillies | Williamsport (A-) | Assigned to Williamsport (A-) |
| Luis Garcia | P | 21.209 | Houston Astros | Quad Cities (A) | Assigned to Quad Cities (A) |
| Edgardo Sandoval | P | 22.001 | Houston Astros | Tri City (A-) | Assigned to Tri City (A-) |
| Michael Chavis | SS | 22.334 | Boston Red Sox | Portland (AA) | Assigned to Portland (AA) |
| Nicholos Hamilton | OF | 20.218 | - | | Released by Red Sox |
| Ian Hardman | P | 22.298 | - | | Released by Astros |
| Kyle Johnston | P | 21.358 | Washington Nationals | Potomac (A+) | Assigned to Potomac (A+) |
| Carlos Acevedo | P | 23.286 | Washington Nationals | Potomac (A+) | Assigned to Potomac (A+) |
| Kevin Markham | C-OF | 24.087 | Philadelphia Phillies | Clearwater (A+) | Assigned to Clearwater (A+) |
| Riley Delgado | IF | 23.138 | Atlanta Braves | Florida (A+) | Assigned to Florida (A+) |
| Josh Fleming | P | 22.053 | Tampa Bay Rays | Charlotte (A+) | Assigned to Charlotte (A+) |
| Carlos Sanabria | P | 21.167 | Houston Astros | Buies Creek (A+) | Assigned to Buies Creek (A+) |
| Brian Hunter | C | 25.230 | Cincinnati Reds | Dayton (A) | Assigned to Dayton (A) |
| Dariel Aquino | DH | 22.162 | - | | Released by Astros |
| Will Hibbs | P | 24.256 | Philadelphia Phillies | Clearwater (A+) | Assigned to Clearwater (A+) |
| Luke Burch | OF | 24.083 | Detroit Tigers | Lakeland (A+) | DL-7 Injured |
| Bailey Falter | P | 21.077 | Philadelphia Phillies | Clearwater (A+) | DL-7 Injured |
| Adam Haseley | OF | 22.089 | Philadelphia Phillies | Reading (AA) | Assigned to Reading (AA) |
| Brock Burke | P | 21.340 | Tampa Bay Rays | Charlotte (A+) | Assigned to Charlotte (A+) |
| Alfred Gutierrez | P | 23.028 | Detroit Tigers | Erie (AA) | Assigned to Erie (AA) |
| Mitch Keller | P | 22.097 | Pittsburgh Pirates | Bradenton (A+) | Assigned to Bradenton (A+) |
| Carlos Diaz | P | 26.158 | Cincinnati Reds | Daytona (A+) | Assigned to Daytona (A+) |
| Alexis Tapia | P | 22.335 | - | | Released by Rays |
| Franklin Perez | P | 20.216 | Detroit Tigers | Lakeland (A+) | Assigned to Lakeland (A+) |
| Logan Salow | P | 23.286 | Los Angeles Dodgers | Rancho Cucamonga (A+) | DL-7 Injured |
| Tony Gonsolin | P | 24.057 | Los Angeles Dodgers | Rancho Cucamonga (A+) | Activated from disabled list |
| Kida De La Cruz | P | 23.334 | Los Angeles Angels | Inland Empire (A+) | DL-7 Injured |
| Jahmai Jones | OF | 20.340 | Los Angeles Angels | Mobile (AA) | Assigned to Mobile (AA) |
| Jonah Heim | C | 23.013 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Jose Chavez | C | 23.063 | Oakland Athletics | Stockton (A+) | Assigned to Stockton (A+) |
| Kyle Funkhouser | P | 24.116 | Detroit Tigers | Toledo (AAA) | Assigned to Toledo (AAA) |
| Matt Hall | P | 24.352 | Detroit Tigers | Toledo (AAA) | Assigned to Toledo (AAA) |
| Jackson Williams | C | 32.057 | Pittsburgh Pirates | Indianapolis (AAA) | DL-7 Injured |
| Jose Cuas | SS | 24.012 | - | | Released by Brewers |
| Adam Bleday | P | 23.250 | - | | Released by Astros |
| Andrew Case | P | 25.185 | Toronto Blue Jays | New Hampshire (AA) | Placed on temporarily inactive list |
| Tyler Tungate | P | 22.159 | Milwaukee Brewers | Helena (Rk) | Assigned to Helena (Rk) |
| Justin McGregor | P | 22.210 | Houston Astros | Greeneville (Rk) | Assigned to Greeneville (Rk) |
| Joey Matulovich | P | 21.004 | Milwaukee Brewers | Helena (Rk) | Assigned to Helena (Rk) |
| Tate Budnick | P | 22.076 | Milwaukee Brewers | Helena (Rk) | Assigned to Helena (Rk) |
| Clayton Andrews | P | 21.187 | Milwaukee Brewers | Wisconsin (A) | Assigned to Wisconsin (A) |
| Cody Eckerson | P | 23.138 | Los Angeles Angels | Orem (Rk) | Assigned to Orem (Rk) |
| A.J. Graffanino | SS | 20.359 | Atlanta Braves | Rome (A) | Assigned to Rome (A) |
| Bobby Honeyman | IF | 22.046 | Seattle Mariners | Modesto (A+) | Assigned to Modesto (A+) |
| Durbin Feltman | P | 21.083 | Boston Red Sox | Greenville (A) | Assigned to Greenville (A) |
| Jacob Billingsley | P | 23.348 | Houston Astros | Tri City (A-) | Assigned to Tri City (A-) |
| Chris Tillman | P | 30.086 | Baltimore Orioles | Frederick (A+) | Assigned to Frederick (A+) |
| Chris Roberts | P | 21.007 | San Francisco Giants | Arizona Giants Orange (Rk) | Assigned to Arizona Giants Orange (Rk) |
| Dylan Dusek | P | 23.140 | San Francisco Giants | Arizona Giants (Rk) | Assigned to Arizona Giants (Rk) |
| Ryan Webb | P | 32.155 | Chicago Cubs | Arizona Cubs (Rk) | |
| J.J. Schwarz | C | 22.104 | Oakland Athletics | Arizona Athletics (Rk) | Assigned to Arizona Athletics (Rk) |
| Andrew Shaps | P | 22.218 | Los Angeles Dodgers | Arizona Dodgers (Rk) | Assigned to Arizona Dodgers (Rk) |
| Cullen Dana | P | 20.337 | San Diego Padres | Arizona Padres (Rk) | Assigned to Arizona Padres (Rk) |
| Tre Todd | C | 21.284 | Los Angeles Dodgers | Arizona Dodgers (Rk) | Assigned to Arizona Dodgers (Rk) |
| Jax Biggers | SS | 21.094 | Texas Rangers | Arizona Rangers (Rk) | Assigned to Arizona Rangers (Rk) |
| William Cuevas | P | 27.269 | Boston Red Sox | Pawtucket (AAA) | Assigned to Pawtucket (AAA) |
