| Rafael Soriano | RP | 35.214 | Chicago Cubs | Chicago Cubs (MLB) | Contract purchased from minors |
| Anthony Recker | C | 31.326 | New York Mets | New York Mets (MLB) | Recalled from Las Vegas (AAA) |
| Edwin Jackson | RP | 31.315 | Chicago Cubs | Chicago Cubs (MLB) | Designated for Assignment |
| Gorkys Hernandez | LF | 27.317 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | DL-15 Left shoulder discomfort |
| Kevin Correia | SP | 34.330 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Outrighted to minors |
| Wilfredo Boscan | P | 25.267 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Recalled from Indianapolis (AAA) |
| Matt Stites | RP | 25.053 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Recalled from Reno (AAA) |
| Jesus Montero | 1B | 25.233 | Seattle Mariners | Tacoma (AAA) | Assigned to Tacoma (AAA) |
| Johnny Monell | C | 29.115 | New York Mets | Las Vegas (AAA) | Assigned to Las Vegas (AAA) |
| Ryan Kelly | RP | 27.264 | Atlanta Braves | Gwinnett (AAA) | Assigned to Gwinnett (AAA) |
| Andrew Susac | C | 25.120 | San Francisco Giants | San Francisco Giants (MLB) | DL-15 Sprained right thumb |
| Hector Sanchez | c | 25.245 | San Francisco Giants | San Francisco Giants (MLB) | Recalled from Sacramento (AAA) |
| Chase Anderson | SP | 27.233 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | DL-15 Right triceps inflammation |
| Chad Bettis | SP | 26.085 | Colorado Rockies | Colorado Rockies (MLB) | DL-15 Right elbow inflammation |
| Carlos Beltran | DH-RF | 38.087 | New York Yankees | New York Yankees (MLB) | Activated from DL |
| Yohan Pino | SP | 31.207 | Kansas City Royals | Kansas City Royals (MLB) | Recalled from Omaha (AAA) |
| Brandon Alger | P | 24.016 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Angelo Amendolare | 2b | 22.230 | Chicago Cubs | Arizona Cubs (Rk) | Assigned to Arizona Cubs (Rk) |
| Yeison Asencio | RF | 25.248 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Luis Aviles | SS | 20.126 | Milwaukee Brewers | Wisconsin (A) | Assigned to Wisconsin (A) |
| Jon Berti | 2B | 25.179 | Toronto Blue Jays | Buffalo (AAA) | Assigned to Buffalo (AAA) |
| Endrys Briceno | P | 23.164 | Detroit Tigers | Lakeland (A+) | Assigned to Lakeland (A+) |
| Cael Brockmeyer | C-1B | 23.286 | Chicago Cubs | Myrtle Beach (A+) | Assigned to Myrtle Beach (A+) |
| Luke Carlin | C | 34.212 | Chicago Cubs | Iowa (AAA) | Assigned to Iowa (AAA) |
| Adam Cimber | P | 24.339 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Brandon Cunniff | RP | 26.286 | Atlanta Braves | Gwinnett (AAA) | Activated from disabled list |
| Derek De Young | P | 23.216 | Oakland Athletics | Beloit (A) | Assigned to Beloit (A) |
| Tyler Deloach | P | 24.099 | Los Angeles Angels | Salt Lake (AAA) | Reinstated to active roster |
| Will Dennis | p | 21.345 | Baltimore Orioles | Gulf Coast Orioles (Rk) | Assigned to Gulf Coast Orioles (Rk) |
| Michael Dimock | P | 25.267 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Anderson Gerdel | | 22.120 | St. Louis Cardinals | Johnson City (Rk) | Assigned to Johnson City (Rk) |
| Jack Graham | 2b | 22.313 | Baltimore Orioles | Gulf Coast Orioles (Rk) | Assigned to Gulf Coast Orioles (Rk) |
| Ryan Hafner | P | 23.241 | Miami Marlins | Greensboro (A) | Assigned to Greensboro (A) |
| Brock Hebert | IF | 24.070 | Seattle Mariners | Arizona Mariners (Rk) | Activated from disabled list |
| Leonardo Heras | OF | 25.052 | Houston Astros | Fresno (AAA) | Assigned to Fresno (AAA) |
| D.J. Hicks | IF-P | 25.109 | Minnesota Twins | Gulf Coast Twins (Rk) | Assigned to Gulf Coast Twins (Rk) |
| Chad Hinshaw | OF | 24.313 | Los Angeles Angels | Arizona Angels (Rk) | Assigned to Arizona Angels (Rk) |
| Branden Kaupe | SS | 21.101 | New York Mets | Brooklyn (A-) | Assigned to Brooklyn (A-) |
| Casey Kelly | SP | 25.289 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Erik Kratz | c | 35.035 | Philadelphia Phillies | Lehigh Valley (AAA) | Assigned to Lehigh Valley (AAA) |
| Jordy Lara | 1B | 24.060 | Seattle Mariners | Jackson (AA) | Reinstated to active roster |
| Dustin Lawley | 3B-CF | 26.100 | Boston Red Sox | Salem (A+) | Assigned to Salem (A+) |
| Mark Leiter | P | 24.129 | Philadelphia Phillies | Reading (AA) | Reinstated to active roster |
| Christian Lopes | SS | 22.292 | Toronto Blue Jays | New Hampshire (AA) | Assigned to New Hampshire (AA) |
| Vimael Machin | ss | 21.298 | Chicago Cubs | Eugene (A-) | Assigned to Eugene (A-) |
| Carlos Machorro | p | 18.303 | Cincinnati Reds | Billings (Rk) | Assigned to Billings (Rk) |
| Tyler Mapes | P | 24.002 | Washington Nationals | Harrisburg (AA) | Assigned to Harrisburg (AA) |
| Francis Martes | P | 19.239 | Houston Astros | Lancaster (A+) | Assigned to Lancaster (A+) |
| Luis Mateo | P | 25.120 | New York Mets | Brooklyn (A-) | Assigned to Brooklyn (A-) |
| Elliot Morris | P | 23.085 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Hunter Morris | 1B | 26.286 | Pittsburgh Pirates | Indianapolis (AAA) | Activated from disabled list |
| Bryce Morrow | P | 27.200 | Oakland Athletics | Midland (AA) | Assigned to Midland (AA) |
| Joe Musgrove | P | 22.228 | Houston Astros | Corpus Christi (AA) | Activated from disabled list |
| Paddy O'Brien | p | 21.286 | New York Yankees | Gulf Coast Yankees 2 (Rk) | Assigned to Gulf Coast Yankees 2 (Rk) |
| Mike O'Neill | LF | 27.159 | St. Louis Cardinals | Springfield (AA) | Activated from disabled list |
| Faustino Oguisten | 2B-SS | 24.184 | Los Angeles Dodgers | Ogden (Rk) | Activated from disabled list |
| Hector Olivera | 2b | 30.106 | Los Angeles Dodgers | Oklahoma City (AAA) | Activated from disabled list |
| Daniel Pigott | C-OF | 25.289 | Cincinnati Reds | Daytona (A+) | Assigned to Daytona (A+) |
| Tyler Pill | P | 25.052 | New York Mets | Las Vegas (AAA) | Activated from disabled list |
| Yohan Pino | SP | 31.207 | Kansas City Royals | Omaha (AAA) | Assigned to Omaha (AAA) |
| John Polonius | SS | 24.188 | San Francisco Giants | San Jose (A+) | Activated from disabled list |
| Anthony Ranaudo | RP | 25.314 | Texas Rangers | Round Rock (AAA) | Assigned to Round Rock (AAA) |
| Jomar Reyes | 3B | 18.150 | Baltimore Orioles | Gulf Coast Orioles (Rk) | Activated from disabled list |
| Kelvin Rivas | p | 23.045 | Miami Marlins | Batavia (A-) | Assigned to Batavia (A-) |
| Thomas Robson | P | 22.023 | Toronto Blue Jays | Vancouver (A-) | Assigned to Vancouver (A-) |
| Oderman Rocha | p | 22.255 | Pittsburgh Pirates | Gulf Coast Pirates (Rk) | Assigned to Gulf Coast Pirates (Rk) |
| Champ Rowland | ss | 23.143 | St. Louis Cardinals | State College (A-) | Assigned to State College (A-) |
| Jeff Roy | OF | 23.178 | Pittsburgh Pirates | Bradenton (A+) | Assigned to Bradenton (A+) |
| Yeixon Ruiz | ss | 24.123 | New York Mets | St. Lucie (A+) | Reinstated to active roster |
| Eric Ruth | P | 24.297 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Assigned to Scranton/Wilkes-Barre (AAA) |
| Andrew Schwaab | p | 22.162 | Seattle Mariners | Pulaski (Rk) | Assigned to Pulaski (Rk) |
| Jordan Schwartz | P | 23.143 | Oakland Athletics | Arizona Athletics (Rk) | Activated from disabled list |
| Blake Snell | P | 22.228 | Tampa Bay Rays | Durham (AAA) | Assigned to Durham (AAA) |
| Andrew Sohn | IF | 22.073 | St. Louis Cardinals | Peoria (A) | Assigned to Peoria (A) |
| Andrew Sopko | p | 20.347 | Los Angeles Dodgers | Ogden (Rk) | Assigned to Ogden (Rk) |
| Keaton Steele | P | 23.264 | Minnesota Twins | Cedar Rapids (A) | Activated from disabled list |
| Alixon Suarez | | 20.360 | Boston Red Sox | Portland (AA) | Assigned to Portland (AA) |
| Christopher Thomas | P | 27.126 | St. Louis Cardinals | Springfield (AA) | Assigned to Springfield (AA) |
| Blake Treinen | RP | 27.020 | Washington Nationals | Syracuse (AAA) | Assigned to Syracuse (AAA) |
| Austin Wilson | OF | 23.164 | Seattle Mariners | Bakersfield (A+) | Activated from disabled list |
| Ryan Wright | 2B | 25.229 | Cincinnati Reds | Pensacola (AA) | Assigned to Pensacola (AA) |
| Nelfi Zapata | C | 24.219 | New York Mets | Las Vegas (AAA) | Activated from disabled list |
| Steven Wright | RP | 30.324 | Boston Red Sox | Boston Red Sox (MLB) | Recalled from Pawtucket (AAA) |
| Cory Rasmus | RP | 27.257 | Los Angeles Angels | Los Angeles Angels (MLB) | Recalled from Salt Lake (AAA) |
| Manny Parra | RP | 32.263 | Cincinnati Reds | Cincinnati Reds (MLB) | DL-15 Left elbow strain |
| Nick Martinez | SP | 24.349 | Texas Rangers | Texas Rangers (MLB) | Recalled from Round Rock (AAA) |
| Alex Castellanos | lf | 28.350 | | | Released by Mets |
| Terrance Gore | CF | 24.042 | Kansas City Royals | Northwest Arkansas (AA) | DL-7 Injured |
| Jorge Reyes | P | 27.226 | Atlanta Braves | Mississippi (AA) | DL-7 Injured |
| Robert Zarate | p | 28.169 | Tampa Bay Rays | Durham (AAA) | DL-7 Injured |
| Aaron West | P | 25.049 | Houston Astros | Corpus Christi (AA) | Placed on temporary inactive list |
| Jose De Leon | P | 22.347 | Los Angeles Dodgers | Tulsa (AA) | DL-7 Injured |
| Cameron Garfield | C | 24.058 | | | Released by Brewers |
| Carlos Mesa | RF | 27.161 | Boston Red Sox | Greenville (A) | DL-7 Injured |
| Evan Van Hoosier | 2B | 21.208 | Texas Rangers | Arizona Rangers (Rk) | DL-7 Injured |
| Jeffrey Glenn | C | 23.302 | New York Mets | St. Lucie (A+) | DL-7 Injured |
| Josue Carreno | P | 24.024 | | | Released by Cubs |
| Max Murphy | OF | 22.245 | Minnesota Twins | Cedar Rapids (A) | DL-7 Injured |
| Luke Wakamatsu | ss | 18.283 | Cleveland Indians | Arizona Indians (Rk) | Signed out of draft (Texas HS) |
| Luke Willis | of | 22.253 | Kansas City Royals | Burlington (Rk) | Signed out of draft (George Mason) |
| Chris Valaika | 2b | 29.340 | Chicago Cubs | Iowa (AAA) | Activated from disabled list |
