| Dan Vogelbach | 1B | 23.216 | Seattle Mariners | Seattle Mariners (MLB) | Traded from Cubs with Paul Blackburn to Mariners for Mike Montgomery and Jordan Pries |
| Paul Blackburn | P | 22.229 | Seattle Mariners | Seattle Mariners (MLB) | Traded from Cubs with Dan Vogelbach to Mariners for Mike Montgomery and Jordan Pries |
| Jordan Pries | P | 26.175 | Chicago Cubs | Chicago Cubs (MLB) | Traded from Mariners with Mike Montgomery to Cubs for Dan Vogelbach and Paul Blackburn |
| Mike Montgomery | RP | 27.020 | Chicago Cubs | Chicago Cubs (MLB) | Traded from Mariners with Jordan Pries to Cubs for Dan Vogelbach and Paul Blackburn |
| Delino Deshields | LF | 23.339 | Texas Rangers | Texas Rangers (MLB) | Recalled from Round Rock (AAA) |
| Hanser Alberto | 3B | 23.277 | Texas Rangers | Texas Rangers (MLB) | Recalled from Round Rock (AAA) |
| Prince Fielder | DH-1B | 32.073 | Texas Rangers | Texas Rangers (MLB) | DL-15 Herniated discs in neck |
| Shin-Soo Choo | RF | 33.356 | Texas Rangers | Texas Rangers (MLB) | DL-15 Lower back inflammation |
| Charlie Culberson | SS | 27.102 | Los Angeles Dodgers | Los Angeles Dodgers (MLB) | Recalled from Oklahoma City (AAA) |
| Chris Hatcher | RP | 31.190 | Los Angeles Dodgers | Los Angeles Dodgers (MLB) | DL-15 Strained left oblique |
| Scott Carroll | RP | 31.300 | Texas Rangers | Texas Rangers (MLB) | Traded from White Sox to Rangers for cash considerations |
| Koda Glover | p | 23.099 | Washington Nationals | Washington Nationals (MLB) | Contract purchased from minors |
| Elias Diaz | C | 25.246 | Pittsburgh Pirates | Indianapolis (AAA) | Activated from DL and assigned to Indianapolis (AAA) |
| Ruben Tejada | 2B | 26.267 | San Francisco Giants | San Francisco Giants (MLB) | Designated for Assignment |
| Matt Cain | SP | 31.293 | San Francisco Giants | San Francisco Giants (MLB) | Activated from DL |
| Noe Ramirez | RP | 26.211 | Boston Red Sox | Boston Red Sox (MLB) | Recalled from Pawtucket (AAA) |
| Koji Uehara | RP | 41.109 | Boston Red Sox | Boston Red Sox (MLB) | DL-15 Right pectoral strain |
| Keith Hessler | RP | 27.128 | San Diego Padres | San Diego Padres (MLB) | Recalled from El Paso (AAA) |
| Mike Zunino | C | 25.118 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Norichika Aoki | LF | 34.197 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Felix Hernandez | SP | 30.104 | Seattle Mariners | Seattle Mariners (MLB) | Activated from DL |
| Dean Kiekhefer | RP | 27.044 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Recalled from Memphis (AAA) |
| Arismendy Alcantara | SS | 24.266 | Oakland Athletics | Oakland Athletics (MLB) | Recalled from Nashville (AAA) |
| Spencer Adams | P | 20.099 | Chicago White Sox | Birmingham (AA) | Assigned to Birmingham (AA) |
| Ryan Aguilar | of | 21.313 | Milwaukee Brewers | Helena (Rk) | Assigned to Helena (Rk) |
| Alexi Amarista | SS | 27.106 | San Diego Padres | El Paso (AAA) | Assigned to El Paso (AAA) |
| Dakota Bacus | P | 25.110 | Washington Nationals | Potomac (A+) | Reinstated to active roster |
| Andrew Barbosa | P | 28.246 | New York Mets | St. Lucie (A+) | Assigned to St. Lucie (A+) |
| Preston Beck | OF | 25.268 | Texas Rangers | Round Rock (AAA) | Assigned to Round Rock (AAA) |
| Travis Bergen | p | 22.286 | Toronto Blue Jays | Vancouver (A-) | Assigned to Vancouver (A-) |
| Branden Berry | 1b | 23.063 | Miami Marlins | Batavia (A-) | Assigned to Batavia (A-) |
| Paul Blackburn | P | 22.229 | Seattle Mariners | Jackson (AA) | Assigned to Jackson (AA) |
| Pat Blair | SS | 24.294 | Tampa Bay Rays | Princeton (Rk) | Assigned to Princeton (Rk) |
| Tyler Bortnick | 2B | 29.018 | Detroit Tigers | Lakeland (A+) | Assigned to Lakeland (A+) |
| Aaron Bummer | P | 22.303 | Chicago White Sox | Great Falls (Rk) | Assigned to Great Falls (Rk) |
| Luis Carreno | p | 20.344 | New York Mets | Kingsport (Rk) | Assigned to Kingsport (Rk) |
| Carlos Castro | c | 22.058 | Atlanta Braves | Rome (A) | Activated from disabled list |
| Randy Cesar | 3B | 21.191 | Houston Astros | Quad Cities (A) | Assigned to Quad Cities (A) |
| Garrett Cortright | P | 24.293 | Baltimore Orioles | Frederick (A+) | Assigned to Frederick (A+) |
| Seamus Curran | 1b | 18.318 | Baltimore Orioles | Aberdeen (A-) | Assigned to Aberdeen (A-) |
| L.B. Dantzler | IF | 25.060 | Toronto Blue Jays | Dunedin (A+) | Activated from disabled list |
| D.J. Davis | OF | 21.361 | Toronto Blue Jays | Dunedin (A+) | Activated from disabled list |
| Adrian De Horta | P | 21.130 | San Diego Padres | Tri-City (A-) | Assigned to Tri-City (A-) |
| Austin DeCarr | P | 21.129 | New York Yankees | Staten Island (A-) | Assigned to Staten Island (A-) |
| Yeyfry Del Rosario | P | 22.085 | Houston Astros | Lancaster (A+) | Assigned to Lancaster (A+) |
| Osvaldo Duarte | SS | 20.185 | Houston Astros | Lancaster (A+) | Assigned to Lancaster (A+) |
| Max Dutto | ss | 22.261 | Chicago White Sox | Great Falls (Rk) | Assigned to Great Falls (Rk) |
| Kyle Farmer | IF | 25.338 | Los Angeles Dodgers | Arizona Dodgers (Rk) | Activated from disabled list |
| Alfredo Figaro | RP | 32.014 | Los Angeles Dodgers | Arizona Dodgers (Rk) | Assigned to Arizona Dodgers (Rk) |
| Heath Fillmyer | P | 22.066 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Icezack Flemming | p | 24.027 | New York Yankees | Pulaski (Rk) | Assigned to Pulaski (Rk) |
| Darryl Florentino | OF | 20.202 | Washington Nationals | Gulf Coast Nationals (Rk) | Assigned to Gulf Coast Nationals (Rk) |
| Mike Ford | P | 24.017 | New York Yankees | Trenton (AA) | Assigned to Trenton (AA) |
| Sam Gaviglio | P | 26.060 | Seattle Mariners | Tacoma (AAA) | Assigned to Tacoma (AAA) |
| Mike Gerber | OF | 24.013 | Detroit Tigers | Erie (AA) | Assigned to Erie (AA) |
| Jay Gonzalez | OF | 25.222 | Baltimore Orioles | Bowie (AA) | Assigned to Bowie (AA) |
| Nick Goody | RP | 25.015 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Assigned to Scranton/Wilkes-Barre (AAA) |
| Austin Green | C | 26.149 | Detroit Tigers | Erie (AA) | Activated from disabled list |
| Keith Grieshaber | ss | 21.022 | Los Angeles Angels | Orem (Rk) | Assigned to Orem (Rk) |
| Cody Hamlin | p | 23.162 | New York Yankees | Pulaski (Rk) | Assigned to Pulaski (Rk) |
| Jordan Harrison | P | 25.103 | Tampa Bay Rays | Princeton (Rk) | Assigned to Princeton (Rk) |
| Hunter Harvey | P | 21.224 | Baltimore Orioles | Frederick (A+) | Assigned to Frederick (A+) |
| Jeremy Hefner | SP | 30.132 | St. Louis Cardinals | Memphis (AAA) | Assigned to Memphis (AAA) |
| Miguel Hermosillo | CF | 21.185 | Los Angeles Angels | Inland Empire (A+) | Assigned to Inland Empire (A+) |
| Keith Hessler | RP | 27.128 | San Diego Padres | El Paso (AAA) | Assigned to El Paso (AAA) |
| Jonathan Holder | P | 23.042 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Assigned to Scranton/Wilkes-Barre (AAA) |
| John Holdzkom | P | 28.276 | Chicago White Sox | Charlotte (AAA) | Activated from disabled list |
| David Holmberg | SP | 25.002 | Chicago White Sox | Charlotte (AAA) | Assigned to Charlotte (AAA) |
| Chris Jensen | P | 25.294 | Oakland Athletics | Nashville (AAA) | Assigned to Nashville (AAA) |
| A.J. Jimenez | C | 26.081 | Toronto Blue Jays | Buffalo (AAA) | Activated from disabled list |
| Juan Jimenez | P | 22.288 | New York Yankees | Pulaski (Rk) | Assigned to Pulaski (Rk) |
| Clyde Kendrick | p | 22.242 | Texas Rangers | Spokane (A-) | Assigned to Spokane (A-) |
| Dean Kiekhefer | RP | 27.044 | St. Louis Cardinals | Memphis (AAA) | Assigned to Memphis (AAA) |
| Daniel Koger | p | 22.343 | Colorado Rockies | Asheville (A) | Assigned to Asheville (A) |
| Brady Lail | P | 22.346 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Assigned to Scranton/Wilkes-Barre (AAA) |
| Jordy Lara | 1B | 25.061 | Atlanta Braves | Mississippi (AA) | Activated from disabled list |
| Eric Lauer | p | 21.048 | San Diego Padres | Tri-City (A-) | Assigned to Tri-City (A-) |
| Ramon Laureano | OF | 22.006 | Houston Astros | Corpus Christi (AA) | Assigned to Corpus Christi (AA) |
| Sam LeCure | RP | 32.078 | Los Angeles Dodgers | Oklahoma City (AAA) | Activated from disabled list |
| Ryan Leonards | SS | 24.365 | Chicago White Sox | Winston-Salem (A+) | Assigned to Winston-Salem (A+) |
| Andrew Longley | C | 27.289 | Detroit Tigers | Lakeland (A+) | Assigned to Lakeland (A+) |
| Reynaldo Lopez | P | 22.198 | Washington Nationals | Syracuse (AAA) | Assigned to Syracuse (AAA) |
| Cory Luebke | RP | 31.139 | Miami Marlins | Batavia (A-) | Assigned to Batavia (A-) |
| Colby Lusignan | 1b | 23.248 | Miami Marlins | Gulf Coast Marlins (Rk) | Assigned to Gulf Coast Marlins (Rk) |
| Jeff Malm | 1B | 25.263 | Los Angeles Dodgers | Tulsa (AA) | Assigned to Tulsa (AA) |
| Parker Markel | P | 25.309 | Tampa Bay Rays | Durham (AAA) | Assigned to Durham (AAA) |
| Juan Martinez | P | 24.006 | Cincinnati Reds | Daytona (A+) | Activated from disabled list |
| Jorge Mateo | SS | 21.028 | New York Yankees | Tampa (A+) | Reinstated to active roster |
| Ryan McBroom | 1B | 24.103 | Toronto Blue Jays | New Hampshire (AA) | Assigned to New Hampshire (AA) |
| Ryan McCormick | p | 22.128 | Colorado Rockies | Boise (A-) | Assigned to Boise (A-) |
| Rob McDonnell | p | 24.084 | Los Angeles Dodgers | Ogden (Rk) | Assigned to Ogden (Rk) |
| Ranyelmy Mendoza | OF | 22.055 | Los Angeles Angels | Burlington (A) | Assigned to Burlington (A) |
| Heiker Meneses | SS-2B | 25.020 | Minnesota Twins | Rochester (AAA) | Assigned to Rochester (AAA) |
| Michael Mertz | p | 22.300 | Miami Marlins | Batavia (A-) | Assigned to Batavia (A-) |
| Aaron Mizell | of | 22.280 | Houston Astros | Lancaster (A+) | Reinstated to active roster |
| Chan Moon | SS | 25.120 | Houston Astros | Fresno (AAA) | Assigned to Fresno (AAA) |
| Chase Mullins | p | 22.002 | Atlanta Braves | Rome (A) | Assigned to Rome (A) |
| Michael Murray | p | 22.298 | Oakland Athletics | Stockton (A+) | Assigned to Stockton (A+) |
| Aaron Myers | p | 22.322 | Milwaukee Brewers | Helena (Rk) | Assigned to Helena (Rk) |
| James Naile | p | 23.163 | Oakland Athletics | Stockton (A+) | Assigned to Stockton (A+) |
| Tommy Nance | p | 25.124 | Chicago Cubs | Myrtle Beach (A+) | Reinstated to active roster |
| Gustavo Nunez | SS | 28.164 | Detroit Tigers | Erie (AA) | Activated from disabled list |
| Garrett Nuss | P | 23.097 | Los Angeles Angels | Orem (Rk) | Activated from disabled list |
| Chad Oberacker | LF | 27.188 | Arizona Diamondbacks | Hillsboro (A-) | Assigned to Hillsboro (A-) |
| Dimas Ojeda | of | 20.306 | Seattle Mariners | Everett (A-) | Assigned to Everett (A-) |
| Braulio Ortiz | P | 24.214 | Cincinnati Reds | Dayton (A) | Assigned to Dayton (A) |
| Joshua Palacios | of | 20.357 | Toronto Blue Jays | Vancouver (A-) | Assigned to Vancouver (A-) |
| Wes Parsons | P | 23.318 | Atlanta Braves | Gulf Coast Braves (Rk) | Activated from disabled list |
| Christian Powell | P | 25.018 | Houston Astros | Lancaster (A+) | Assigned to Lancaster (A+) |
| Jordan Pries | P | 26.175 | Chicago Cubs | Iowa (AAA) | Assigned to Iowa (AAA) |
| Neil Ramirez | RP | 27.057 | Minnesota Twins | Rochester (AAA) | Assigned to Rochester (AAA) |
| Josh Rapacz | C | 26.011 | Tampa Bay Rays | Montgomery (AA) | Assigned to Montgomery (AA) |
| Remey Reed | p | 21.077 | Miami Marlins | Batavia (A-) | Assigned to Batavia (A-) |
| Tim Remes | C | 24.034 | Detroit Tigers | Connecticut (A-) | Assigned to Connecticut (A-) |
| Artie Reyes | P | 24.106 | St. Louis Cardinals | Memphis (AAA) | Assigned to Memphis (AAA) |
| Genison Reyes | P | 24.306 | Baltimore Orioles | Frederick (A+) | Assigned to Frederick (A+) |
| Herlis Rodriguez | OF | 22.041 | Philadelphia Phillies | Clearwater (A+) | Activated from disabled list |
| Reynaldo Rodriguez | 1B | 30.164 | Minnesota Twins | Fort Myers (A+) | Reinstated to active roster |
| Tanner Scott | P | 21.364 | Baltimore Orioles | Bowie (AA) | Assigned to Bowie (AA) |
| Thomas Szapucki | p | 20.039 | New York Mets | Brooklyn (A-) | Assigned to Brooklyn (A-) |
| Andrew Thurman | P | 24.224 | Atlanta Braves | Carolina (A+) | Activated from disabled list |
| Sixto Torres | p | 20.112 | New York Mets | Kingsport (Rk) | Assigned to Kingsport (Rk) |
| David Trexler | P | 25.320 | Los Angeles Angels | Orem (Rk) | Assigned to Orem (Rk) |
| Lou Trivino | p | 24.294 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Spencer Turnbull | P | 23.306 | Detroit Tigers | Gulf Coast Tigers (East) (Rk) | Assigned to Gulf Coast Tigers (Rk) |
| Dan Vogelbach | 1B | 23.216 | Seattle Mariners | Tacoma (AAA) | Assigned to Tacoma (AAA) |
| Austin Voth | P | 24.025 | Washington Nationals | Syracuse (AAA) | Reinstated to active roster |
| Zach Walters | SS | 26.319 | Los Angeles Dodgers | Oklahoma City (AAA) | Assigned to Oklahoma City (AAA) |
| Tom Windle | P | 24.133 | Philadelphia Phillies | Clearwater (A+) | Assigned to Clearwater (A+) |
| Tyler Wolfe | 2b | 22.303 | Houston Astros | Tri City (A-) | Assigned to Tri City (A-) |
| Niuman Romero | SS | 31.178 | New York Mets | Las Vegas (AAA) | DL-7 Injured |
| Austin Cousino | OF | 23.095 | Los Angeles Angels | Salt Lake (AAA) | DL-7 Injured |
| Danny Hultzen | P | 26.235 | Seattle Mariners | Jackson (AA) | DL-7 Injured |
| Gonzalo Sanudo | P | 24.193 | Houston Astros | Corpus Christi (AA) | Placed on temporary inactive list |
| Jose Vinicio | SS | 23.011 | Boston Red Sox | Pawtucket (AAA) | DL-7 Injured |
| Kurt Spomer | P | 27.011 | Detroit Tigers | Toledo (AAA) | DL-7 Injured |
| Nelson Gonzalez | P | 26.156 | Colorado Rockies | Albuquerque (AAA) | DL-7 Injured |
| Ryan Kussmaul | P | 29.305 | Arizona Diamondbacks | Mobile (AA) | DL-7 Injured |
| Josh Altmann | ss | 22.015 | Texas Rangers | Hickory (A) | DL-7 Injured |
| Manolo Reyes | P | 26.249 | | | Released by Yankees |
| Shane Watson | P | 22.342 | Philadelphia Phillies | Clearwater (A+) | DL-7 Injured |
| Jermaine Palacios | 3b | 20.002 | Minnesota Twins | Cedar Rapids (A) | DL-7 Injured |
| Josh Silver | ss | 26.088 | | | Released by Cubs |
| Peter Fairbanks | p | 22.217 | Texas Rangers | Hickory (A) | DL-7 Injured |
| Sthervin Matos | 3B | 22.158 | | | Released by Brewers |
| Edward Olivares | of | 20.137 | Toronto Blue Jays | Bluefield (Rk) | DL-7 Injured |
| Jefry Yan | p | 19.338 | Los Angeles Angels | Arizona Angels (Rk) | DL-60 Injured |
| Ty Damron | p | 21.358 | Oakland Athletics | Vermont (A-) | Signed out of draft (Texas Tech) |
| Chris Mathewson | p | 20.056 | Los Angeles Dodgers | Arizona Dodgers (Rk) | Signed out of draft (Long Beach State) |
| Jordan Balazovic | p | 17.307 | Minnesota Twins | Gulf Coast Twins (Rk) | Signed out of draft (Ontario HS) |
| Kevin Malisheski | p | 18.317 | Los Angeles Dodgers | Arizona Dodgers (Rk) | Signed out of draft (Illinois HS) |
| Michael McKenry | C | 31.139 | | | Released by Cardinals |
