| Clay Rapada | RP | 32.178 | Cleveland Indians | Cleveland Indians (MLB) | Contract purchased from Columbus (AAA) |
| Tyler Cloyd | SP-RP | 26.110 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Recalled from Lehigh Valley (AAA) |
| Freddy Galvis | 3b | 23.293 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Recalled from Lehigh Valley (AAA) |
| Luis Garcia | RP | 26.216 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Recalled from Lehigh Valley (AAA) |
| Mauricio Robles | P | 24.182 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Recalled from Lehigh Valley (AAA) |
| Joe Savery | RP | 27.303 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Recalled from Lehigh Valley (AAA) |
| Cody Ross | lf | 32.254 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Transferred to 60-day DL |
| Mark Lowe | RP | 30.088 | | | Released by Nationals |
| Jonathan Schoop | 2B | 21.333 | Baltimore Orioles | Baltimore Orioles (MLB) | Recalled from Norfolk (AAA) |
| Joshua Stinson | RP | 25.173 | Baltimore Orioles | Baltimore Orioles (MLB) | Recalled from Norfolk (AAA) |
| Henry Urrutia | dh | 26.202 | Baltimore Orioles | Baltimore Orioles (MLB) | Recalled from Norfolk (AAA) |
| Ryan Raburn | rf-LF | 32.139 | Cleveland Indians | Cleveland Indians (MLB) | Activated from DL |
| Sean Halton | 1b | 26.088 | Milwaukee Brewers | Milwaukee Brewers (MLB) | Recalled from Nashville (AAA) |
| Johnny Hellweg | SP | 24.309 | Milwaukee Brewers | Milwaukee Brewers (MLB) | Recalled from Nashville (AAA) |
| Jimmy Nelson | P | 24.090 | Milwaukee Brewers | Milwaukee Brewers (MLB) | Contract purchased from Huntsville (AA) |
| Engel Beltre | RF | 23.306 | Texas Rangers | Texas Rangers (MLB) | Recalled from Round Rock (AAA) |
| Joey Butler | lf | 27.175 | Texas Rangers | Texas Rangers (MLB) | Recalled from Round Rock (AAA) |
| Ross Wolf | RP | 30.320 | Texas Rangers | Texas Rangers (MLB) | Recalled from Round Rock (AAA) |
| Jake Dunning | RP | 25.022 | San Francisco Giants | San Francisco Giants (MLB) | Recalled from Fresno (AAA) |
| George Kontos | RP | 28.083 | San Francisco Giants | San Francisco Giants (MLB) | Recalled from Fresno (AAA) |
| Nick Noonan | 2B | 24.122 | San Francisco Giants | San Francisco Giants (MLB) | Recalled from Fresno (AAA) |
| Juan Perez | LF | 26.294 | San Francisco Giants | San Francisco Giants (MLB) | Recalled from Fresno (AAA) |
| Heath Hembree | P | 24.233 | San Francisco Giants | San Francisco Giants (MLB) | Contract purchased from Fresno (AAA) |
| Johnny Monell | C | 27.160 | San Francisco Giants | San Francisco Giants (MLB) | Contract purchased from Fresno (AAA) |
| Rob Brantly | c | 24.051 | Miami Marlins | Miami Marlins (MLB) | Recalled from New Orleans (AAA) |
| Arquimedes Caminero | RP | 26.079 | Miami Marlins | Miami Marlins (MLB) | Recalled from New Orleans (AAA) |
| Brad Hand | P | 23.167 | Miami Marlins | Miami Marlins (MLB) | Recalled from New Orleans (AAA) |
| Brian Flynn | P | 23.137 | Miami Marlins | Miami Marlins (MLB) | Contract purchased from New Orleans (AAA) |
| Joe Bonfe | 1B-LF | 25.250 | New York Mets | Binghamton (AA) | DL-7 Injured |
| Juan Crousset | LF-RF | 23.126 | Colorado Rockies | Tulsa (AA) | Placed on temporarily inactive list |
| Johan Limonta | RF-1B | 30.030 | San Diego Padres | San Antonio (AA) | DL-7 Injured |
| Ken Roberts | P | 25.178 | Colorado Rockies | Tulsa (AA) | DL-7 Injured |
| Gustavo Gomez | P | 22.102 | Los Angeles Dodgers | Rancho Cucamonga (A+) | DL-7 Injured |
| Brock Bond | 2B | 27.357 | San Francisco Giants | San Jose (A+) | DL-7 Injured |
| Brad Moss | C | 23.328 | San Francisco Giants | Augusta (A) | DL-7 Injured |
| Ryan Baker | C | 28.298 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Activated from DL |
| Scott Shuman | P | 25.159 | San Francisco Giants | Richmond (AA) | Activated from DL |
| Scott Savastano | 2B | 27.083 | Seattle Mariners | Tacoma (AAA) | Activated from DL |
| Rhyne Hughes | 1B | 29.360 | New York Mets | Binghamton (AA) | Activated from DL |
| Oscar Tejeda | 2B | 23.251 | Pittsburgh Pirates | Altoona (AA) | Activated from DL |
| Elevys Gonzalez | 2B-3B | 23.315 | Los Angeles Dodgers | Chattanooga (AA) | Activated from DL |
| Jesus Galindo | CF | 23.011 | San Francisco Giants | Augusta (A) | Activated from DL |
| Will Venable | CF-RF | 30.309 | San Diego Padres | San Diego Padres (MLB) | Signed to 2-year contract for 2014-2015 ($8.5m) Extension. |
| Matt Moore | SP | 24.077 | Tampa Bay Rays | Tampa Bay Rays (MLB) | Activated from DL |
| Ryan Flaherty | 2b-ss | 27.038 | Baltimore Orioles | Baltimore Orioles (MLB) | Recalled from Frederick (A+) |
| Tyler Flowers | c | 27.222 | Chicago White Sox | Chicago White Sox (MLB) | DL-60 Right shoulder surgery |
| Brian Omogrosso | RP | 29.132 | Chicago White Sox | Chicago White Sox (MLB) | Transferred to 60-day DL |
| Carlos Carrasco | RP | 26.166 | Cleveland Indians | Cleveland Indians (MLB) | Recalled from Columbus (AAA) |
| C.C. Lee | RP | 26.317 | Cleveland Indians | Cleveland Indians (MLB) | Recalled from Columbus (AAA) |
| Vinnie Pestano | RP | 28.195 | Cleveland Indians | Cleveland Indians (MLB) | Recalled from Columbus (AAA) |
| Josh Tomlin | P | 28.319 | Cleveland Indians | Cleveland Indians (MLB) | Recalled from Columbus (AAA) |
| James Paxton | P | 24.301 | Seattle Mariners | Seattle Mariners (MLB) | Contract purchased from Tacoma (AAA) |
| Kyle Drabek | P | 25.270 | Toronto Blue Jays | Toronto Blue Jays (MLB) | Recalled from Buffalo (AAA) |
| Edgar Gonzalez | RP | 30.192 | Houston Astros | Houston Astros (MLB) | Transferred to 60-day DL |
| Matt Pagnozzi | C | 30.297 | Houston Astros | Houston Astros (MLB) | Traded from Braves to Astros for cash considerations |
| Tyler Lyons | SP | 25.195 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Recalled from Memphis (AAA) |
| Carlos Martinez | RP | 21.348 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Recalled from Memphis (AAA) |
| Michael Wacha | RP | 22.064 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Recalled from Memphis (AAA) |
| Anthony Bass | RP | 25.307 | San Diego Padres | San Diego Padres (MLB) | Recalled from Tucson (AAA) |
| Brad Boxberger | RP | 25.099 | San Diego Padres | San Diego Padres (MLB) | Recalled from Tucson (AAA) |
| Brad Brach | RP | 27.144 | San Diego Padres | San Diego Padres (MLB) | Recalled from Tucson (AAA) |
| Dan Runzler | RP | 28.157 | San Francisco Giants | Fresno (AAA) | Designated for Assignment |
| Kensuke Tanaka | lf | 32.106 | San Francisco Giants | Fresno (AAA) | Designated for Assignment |
| Jordan Brown | dh | 29.260 | Miami Marlins | New Orleans (AAA) | Designated for Assignment |
| Jeremy Hellickson | SP | 26.148 | Tampa Bay Rays | Tampa Bay Rays (MLB) | Recalled from Charlotte (A+) |
| Nick Christiani | RP | 26.048 | Cincinnati Reds | Cincinnati Reds (MLB) | Recalled from Louisville (AAA) |
| Greg Burke | RP | 30.347 | New York Mets | New York Mets (MLB) | Recalled from Las Vegas (AAA) |
| Robert Carson | RP | 24.223 | New York Mets | New York Mets (MLB) | Recalled from Las Vegas (AAA) |
| Mike Nickeas | C | 30.202 | Toronto Blue Jays | Toronto Blue Jays (MLB) | Contract purchased from Buffalo (AAA) |
| Luis Perez | P | 28.226 | Toronto Blue Jays | Toronto Blue Jays (MLB) | Contract purchased from Buffalo (AAA) |
| Ricky Romero | SP | 28.301 | Toronto Blue Jays | Toronto Blue Jays (MLB) | Contract purchased from Buffalo (AAA) |
| Mauro Gomez | 1b | 28.361 | Toronto Blue Jays | Buffalo (AAA) | Designated for Assignment |
| Jeremy Jeffress | P | 25.348 | Toronto Blue Jays | Toronto Blue Jays (MLB) | Contract purchased from Buffalo (AAA) |
| Ehire Adrianza | SS | 24.013 | San Francisco Giants | San Francisco Giants (MLB) | Recalled from Fresno (AAA) |
| Matt Reynolds | RP | 28.336 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Transferred to 60-day DL |
| Jose Alvarez | RP | 24.120 | Detroit Tigers | Detroit Tigers (MLB) | Recalled from Toledo (AAA) |
| Jeremy Bonderman | RP | 30.310 | Detroit Tigers | Detroit Tigers (MLB) | Recalled from Toledo (AAA) |
| Bryan Holaday | c | 25.289 | Detroit Tigers | Detroit Tigers (MLB) | Recalled from Toledo (AAA) |
| Carlos Pena | 1B | 35.109 | Kansas City Royals | Kansas City Royals (MLB) | Contract purchased from Omaha (AAA) |
| Noel Arguelles | P | 23.234 | Kansas City Royals | Kansas City Royals (MLB) | Transferred to 60-day DL |
| Pedro Ciriaco | SS | 27.341 | Kansas City Royals | Kansas City Royals (MLB) | Contract purchased from Omaha (AAA) |
| Louis Coleman | RP | 27.152 | Kansas City Royals | Kansas City Royals (MLB) | Recalled from Wilmington (A+) |
| Wade Davis | SP | 27.361 | Kansas City Royals | Kansas City Royals (MLB) | Recalled from Wilmington (A+) |
| Johnny Giavotella | 2B | 26.055 | Kansas City Royals | Kansas City Royals (MLB) | Recalled from Omaha (AAA) |
| Donnie Joseph | RP | 25.307 | Kansas City Royals | Kansas City Royals (MLB) | Recalled from Omaha (AAA) |
| Evan Scribner | RP | 28.046 | Oakland Athletics | Oakland Athletics (MLB) | Recalled from Sacramento (AAA) |
| Luke Montz | dh | 30.058 | | | Released by Athletics |
| Pat Neshek | RP | 32.364 | Oakland Athletics | Oakland Athletics (MLB) | Contract purchased from Sacramento (AAA) |
| Hideki Okajima | RP | 37.253 | Oakland Athletics | Sacramento (AAA) | Designated for Assignment |
| Erasmo Ramirez | SP | 23.124 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Chance Ruffin | P | 24.360 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Carlos Triunfel | ss | 23.188 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Hector Noesi | RP | 26.220 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Evan Gattis | lf | 27.016 | Atlanta Braves | Atlanta Braves (MLB) | Recalled from Gwinnett (AAA) |
| Brooks Raley | RP | 25.066 | Chicago Cubs | Chicago Cubs (MLB) | Recalled from Iowa (AAA) |
| Zac Rosscup | P | 25.086 | Chicago Cubs | Chicago Cubs (MLB) | Contract purchased from Iowa (AAA) |
| Dave Sappelt | rf | 26.244 | Chicago Cubs | Iowa (AAA) | Designated for Assignment |
| J.C. Boscan | C | 33.252 | Chicago Cubs | Chicago Cubs (MLB) | Recalled from Iowa (AAA) |
| Justin Grimm | SP | 25.018 | Chicago Cubs | Chicago Cubs (MLB) | Recalled from Iowa (AAA) |
| Matt Pagnozzi | C | 30.297 | Houston Astros | Houston Astros (MLB) | Contract purchased from Minors |
| Chris Withrow | RP | 24.155 | Los Angeles Dodgers | Los Angeles Dodgers (MLB) | Recalled from Albuquerque (AAA) |
| Eury Perez | cf | 23.096 | Washington Nationals | Washington Nationals (MLB) | Recalled from Syracuse (AAA) |
| Zach Walters | SS | 23.363 | Washington Nationals | Washington Nationals (MLB) | Contract purchased from Syracuse (AAA) |
| Corey Brown | CF | 27.281 | Washington Nationals | Washington Nationals (MLB) | Recalled from Syracuse (AAA) |
| Xavier Cedeno | RP | 27.008 | Washington Nationals | Washington Nationals (MLB) | Recalled from Syracuse (AAA) |
| Jeff Kobernus | cf | 25.065 | Washington Nationals | Washington Nationals (MLB) | Recalled from Syracuse (AAA) |
| Cameron Rupp | C | 24.340 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Contract purchased from Lehigh Valley (AAA) |
| Tony Sanchez | c | 25.106 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Recalled from Altoona (AA) |
| Jason Grilli | RP | 36.296 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Activated from DL |
| Jared Hughes | RP | 28.061 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Recalled from Indianapolis (AAA) |
| Andrew Lambo | rf | 25.023 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Recalled from Indianapolis (AAA) |
| Jeff Locke | SP | 25.288 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Recalled from Indianapolis (AAA) |
| Audry Perez | C | 24.254 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Contract purchased from Memphis (AAA) |
| Brock Peterson | lf | 29.288 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Recalled from Memphis (AAA) |
| Ryan Jackson | 2B-SS | 25.116 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Recalled from Memphis (AAA) |
| Ryan Wheeler | 1b | 25.055 | Colorado Rockies | Colorado Rockies (MLB) | Recalled from Colorado Springs (AAA) |
| Mitchell Boggs | RP | 29.201 | Colorado Rockies | Colorado Rockies (MLB) | Recalled from Colorado Springs (AAA) |
| Manuel Corpas | RP | 30.274 | Colorado Rockies | Colorado Rockies (MLB) | Recalled from Colorado Springs (AAA) |
| Carlos Gonzalez | LF | 27.321 | Colorado Rockies | Colorado Rockies (MLB) | Activated from DL |
| Collin McHugh | SP | 26.076 | Colorado Rockies | Colorado Rockies (MLB) | Recalled from Colorado Springs (AAA) |
| Chris Owings | SS | 22.022 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Contract purchased from Reno (AAA) |
| Matt Davidson | 3b | 22.161 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Recalled from Reno (AAA) |
| Tuffy Gosewisch | c | 30.017 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Recalled from Reno (AAA) |
| Dustin Houle | C | 19.298 | Milwaukee Brewers | Helena (Rk) | Assigned to Helena (Rk) |
| Mike Meyers | SS | 19.249 | Boston Red Sox | Lowell (A-) | Assigned to Lowell (A-) |
| Ryan McChesney | | 23.212 | Tampa Bay Rays | Hudson Valley (A-) | Assigned to Hudson Valley (A-) |
| Abiatal Avelino | SS | 18.201 | New York Yankees | Gulf Coast Yankees (Rk) | Assigned to Gulf Coast Yankees (Rk) |
| Vaughn Bryan | CF | 20.090 | St. Louis Cardinals | State College (A-) | Assigned to State College (A-) |
| Thomas Milone | OF | 18.220 | Tampa Bay Rays | Hudson Valley (A-) | Assigned to Hudson Valley (A-) |
| Chance Sisco | C | 18.191 | Baltimore Orioles | Aberdeen (A-) | Assigned to Aberdeen (A-) |
| Chris Young | P | 34.101 | Washington Nationals | Auburn (A-) | Assigned to Auburn (A-) |
| Chad Taylor | SS | 23.005 | New York Yankees | Staten Island (A-) | Assigned to Staten Island (A-) |
| Dan Tobik | P | 22.238 | Los Angeles Angels | Orem (Rk) | Assigned to Orem (Rk) |
| Charles Basford | P | 23.049 | New York Yankees | Staten Island (A-) | Assigned to Staten Island (A-) |
| Ellis Jimenez | | 21.069 | Boston Red Sox | Lowell (A-) | Assigned to Lowell (A-) |
| Jake Floethe | P | 24.097 | Tampa Bay Rays | Montgomery (AA) | Activated from DL |
