| Logan Darnell | P | 25.174 | Minnesota Twins | Minnesota Twins (MLB) | Recalled from Rochester (AAA) |
| George Kottaras | c | 31.071 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Designated for Assignment |
| Jake Peavy | SP | 33.056 | San Francisco Giants | San Francisco Giants (MLB) | Traded from Red Sox to Giants for Edwin Escobar and Heath Hembree |
| Edwin Escobar | P | 22.095 | Boston Red Sox | Boston Red Sox (MLB) | Traded from Giants with Heath Hembree to Red Sox for Jake Peavy |
| AJ Pierzynski | c | 37.208 | St. Louis Cardinals | St. Louis Cardinals (MLB) | Signed to 1-year contract for 2014-2014 ($0m) |
| Blake Parker | RP | 29.037 | Chicago Cubs | Chicago Cubs (MLB) | Recalled from Iowa (AAA) |
| Buddy Carlyle | P | 36.217 | New York Mets | New York Mets (MLB) | Contract purchased from minors |
| Daisuke Matsuzaka | SP | 33.316 | New York Mets | New York Mets (MLB) | DL-15 Right elbow inflammation |
| Zach McAllister | SP | 26.231 | Cleveland Indians | Cleveland Indians (MLB) | Recalled from Columbus (AAA) |
| Phil Gosselin | 2b | 25.296 | Atlanta Braves | Atlanta Braves (MLB) | Recalled from Gwinnett (AAA) |
| Yonder Alonso | 1b | 27.109 | San Diego Padres | San Diego Padres (MLB) | Activated from DL |
| Hector Sanchez | c | 24.251 | San Francisco Giants | San Francisco Giants (MLB) | DL-7 Concussion |
| Andrew Susac | C | 24.126 | San Francisco Giants | San Francisco Giants (MLB) | Contract purchased from minors |
| Jeremy Hellickson | SP | 27.109 | Tampa Bay Rays | Tampa Bay Rays (MLB) | Recalled from Charlotte (A+) |
| Josh Tomlin | P | 29.280 | Cleveland Indians | Columbus (AAA) | Optioned to Columbus (AAA) |
| Drew Verhagen | P | 23.277 | Detroit Tigers | Toledo (AAA) | Optioned to Toledo (AAA) |
| J.B. Shuck | lf | 27.038 | Los Angeles Angels | Los Angeles Angels (MLB) | Recalled from Salt Lake (AAA) |
| Allen Webster | SP | 24.166 | Boston Red Sox | Boston Red Sox (MLB) | Recalled from Pawtucket (AAA) |
| Heath Hembree | P | 25.194 | Boston Red Sox | Pawtucket (AAA) | Traded from Giants with Edwin Escobar to Red Sox for Jake Peavy |
| Randy Wolf | P | 37.338 | Los Angeles Angels | Los Angeles Angels (MLB) | Signed to minor league contract |
| Drew Anderson | P | 20.126 | Philadelphia Phillies | Gulf Coast Phillies (Rk) | Activated from disabled list |
| Erisbel Arruebarrena | SS | 24.123 | Los Angeles Dodgers | Albuquerque (AAA) | Assigned to Albuquerque (AAA) for rehab |
| Collin Balester | P | 28.050 | Pittsburgh Pirates | Bristol (Rk) | Assigned to Bristol (Rk) |
| Chris Bassitt | P | 25.154 | Chicago White Sox | Birmingham (AA) | Activated from DL |
| Jesse Biddle | P | 22.278 | Philadelphia Phillies | Gulf Coast Phillies (Rk) | Assigned to Gulf Coast Phillies (Rk) |
| Bruce Billings | P | 28.250 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Assigned to Scranton/Wilkes-Barre (AAA) |
| Jeremy Bleich | P | 27.038 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Activated from disabled list |
| Mitchell Boggs | RP | 30.162 | San Francisco Giants | Fresno (AAA) | Assigned to Fresno (AAA) |
| Randy Boone | P | 29.354 | Toronto Blue Jays | New Hampshire (AA) | Assigned to New Hampshire (AA) |
| Matt Bowman | P-IF | 23.056 | New York Mets | Las Vegas (AAA) | Assigned to Las Vegas (AAA) |
| Ryan Bradley | P | 26.011 | San Francisco Giants | Fresno (AAA) | Activated from disabled list |
| Jorge Bucardo | P | 24.281 | San Francisco Giants | Fresno (AAA) | Assigned to Fresno (AAA) |
| David Cales | P | 26.365 | Chicago White Sox | Charlotte (AAA) | Assigned to Charlotte (AAA) |
| Alberto Callaspo | 2b-dh | 31.098 | Oakland Athletics | Stockton (A+) | Assigned to Stockton (A+) for rehab |
| Jose Cardona | | 20.132 | Texas Rangers | Spokane (A-) | Assigned to Spokane (A-) |
| Adron Chambers | rf | 27.291 | Toronto Blue Jays | Buffalo (AAA) | Activated from disabled list |
| Edwin Escobar | P | 22.095 | Boston Red Sox | Pawtucket (AAA) | Assigned to Pawtucket (AAA) |
| Andrew Faulkner | P | 21.317 | Texas Rangers | Frisco (AA) | Assigned to Frisco (AA) |
| Justin Garcia | P | 21.313 | Cleveland Indians | Mahoning Valley (A-) | Assigned to Mahoning Valley (A-) |
| Ian Gardeck | P | 23.247 | San Francisco Giants | San Jose (A+) | Assigned to San Jose (A+) |
| Jake Goebbert | LF-RF | 26.306 | San Diego Padres | El Paso (AAA) | Assigned to El Paso (AAA) |
| Alex Guerrero | IF | 27.218 | Los Angeles Dodgers | Albuquerque (AAA) | Assigned to Albuquerque (AAA) |
| Dreily Guerrero | 2B-3B | 23.287 | Boston Red Sox | Salem (A+) | Activated from disabled list |
| Leonardo Heras | OF | 24.058 | Houston Astros | Corpus Christi (AA) | Activated from disabled list |
| Hayden Hurst | P | 20.336 | Pittsburgh Pirates | Gulf Coast Pirates (Rk) | Activated from disabled list |
| Jair Jurrjens | RP | 28.178 | Colorado Rockies | Colorado Springs (AAA) | Assigned to Colorado Springs (AAA) |
| Branden Kline | P | 22.301 | Baltimore Orioles | Aberdeen (A-) | Assigned to Aberdeen (A-) |
| Mark Lamm | P | 26.140 | Atlanta Braves | Gulf Coast Braves (Rk) | Activated from disabled list |
| Brandon Lee | P | 23.250 | St. Louis Cardinals | State College (A-) | Activated from disabled list |
| Jon Leroux | C | 23.310 | New York Mets | Savannah (A) | Activated from disabled list |
| Matt Lipka | SS | 22.102 | Atlanta Braves | Mississippi (AA) | Activated from disabled list |
| Pat Ludwig | P | 24.288 | Pittsburgh Pirates | Altoona (AA) | Assigned to Altoona (AA) |
| Jordan Lyles | RP | 23.280 | Colorado Rockies | Modesto (A+) | Assigned to Modesto (A+) for rehab |
| Dillon Maples | P | 22.078 | Chicago Cubs | Boise (A-) | Assigned to Boise (A-) |
| Chris Martin | P | 28.054 | Colorado Rockies | Colorado Springs (AAA) | Activated from disabled list |
| Will Middlebrooks | 3b | 25.320 | Boston Red Sox | Pawtucket (AAA) | Assigned to Pawtucket (AAA) for rehab |
| Jose Monegro | P | 24.310 | Texas Rangers | Myrtle Beach (A+) | Assigned to Myrtle Beach (A+) |
| Joan Montero | P | 25.273 | Pittsburgh Pirates | Bradenton (A+) | Assigned to Bradenton (A+) |
| Delvis Morales | SS | 23.331 | Los Angeles Dodgers | Rancho Cucamonga (A+) | Assigned to Rancho Cucamonga (A+) |
| AJ Morris | P | 27.237 | Pittsburgh Pirates | Gulf Coast Pirates (Rk) | Activated from disabled list |
| Yoanner Negrin | P | 30.088 | Chicago Cubs | Iowa (AAA) | Activated from disabled list |
| John Nester | C | 25.059 | San Diego Padres | Lake Elsinore (A+) | Activated from disabled list |
| Matt Pare | 1B | 23.251 | San Francisco Giants | San Jose (A+) | Assigned to San Jose (A+) |
| Tyler Pastornicky | 2b | 24.225 | Atlanta Braves | Gwinnett (AAA) | Assigned to Gwinnett (AAA) |
| Steve Perakslis | P | 23.192 | Chicago Cubs | Daytona (A+) | Assigned to Daytona (A+) |
| Joel Peralta | P | 38.125 | Tampa Bay Rays | Charlotte (A+) | Activated from disabled list |
| Jorge Polanco | SS-3B | 21.021 | Minnesota Twins | New Britain (AA) | Assigned to New Britain (AA) |
| Felipe Vazquez | P | 23.021 | Washington Nationals | Gulf Coast Nationals (Rk) | Activated from disabled list |
| Frankie Rodriguez | | 18.365 | St. Louis Cardinals | Gulf Coast Cardinals (Rk) | Assigned to Gulf Coast Cardinals (Rk) |
| Francisco Rondon | P | 26.098 | New York Yankees | Tampa (A+) | Assigned to Tampa (A+) |
| Ismael Salgado | LF-CF | 21.196 | Detroit Tigers | Gulf Coast Tigers (East) (Rk) | Assigned to Gulf Coast Tigers (Rk) |
| Omir Santos | C | 33.088 | Pittsburgh Pirates | Indianapolis (AAA) | Activated from disabled list |
| KC Serna | 3B | 24.284 | Philadelphia Phillies | Reading (AA) | Activated from disabled list |
| Stephen Shackleford | P | 25.082 | Seattle Mariners | Jackson (AA) | Activated from disabled list |
| Dominique Taylor | OF | 21.349 | Kansas City Royals | Burlington (Rk) | Activated from disabled list |
| Jake Thompson | P | 20.176 | Texas Rangers | Frisco (AA) | Assigned to Frisco (AA) |
| Wilfredo Tovar | SS | 22.350 | New York Mets | Binghamton (AA) | Assigned to Binghamton (AA) |
| Sebastian Vader | P | 22.053 | Baltimore Orioles | Frederick (A+) | Assigned to Frederick (A+) |
| Nick Valenza | P | 21.117 | Seattle Mariners | High Desert (A+) | Assigned to High Desert (A+) |
| Ydwin Villegas | SS | 23.328 | San Francisco Giants | Fresno (AAA) | Assigned to Fresno (AAA) |
| Sam Wolff | P | 23.103 | Texas Rangers | Myrtle Beach (A+) | Activated from disabled list |
| B.J. Rosenberg | RP | 28.312 | Philadelphia Phillies | Lehigh Valley (AAA) | DL-7 Injured |
| Brad Nelson | 1B | 31.235 | | | Released by Twins |
| Jason Marquis | SP | 35.339 | Philadelphia Phillies | Lehigh Valley (AAA) | DL-7 Injured |
| Jemile Weeks | 2b | 27.181 | Baltimore Orioles | Norfolk (AAA) | DL-7 Injured |
| Justin Thomas | P | 30.190 | | | Released by Angels |
| Luis Garcia | RP | 27.177 | Philadelphia Phillies | Lehigh Valley (AAA) | DL-7 Injured |
| Griff Erickson | C | 26.137 | Los Angeles Dodgers | Albuquerque (AAA) | DL-7 Injured |
| Jose De Paula | P | 26.144 | San Francisco Giants | Fresno (AAA) | DL-7 Injured |
| Justin Wright | P | 24.342 | St. Louis Cardinals | Springfield (AA) | DL-7 Injured |
| Kevin Pucetas | P | 29.241 | | | Released by Rangers |
| Mario Lisson | 1B-3B | 30.056 | San Francisco Giants | Richmond (AA) | DL-7 Injured |
| Pete Hissey | CF | 24.190 | Boston Red Sox | Portland (AA) | DL-7 Injured |
| Ryan Cordell | OF | 22.117 | Texas Rangers | Hickory (A) | DL-7 Injured |
| Sam Runion | P | 25.259 | Washington Nationals | Harrisburg (AA) | DL-7 Injured |
| Cody Anderson | P | 23.315 | Cleveland Indians | Akron (AA) | DL-7 Injured |
| DJ Baxendale | P | 23.230 | Minnesota Twins | Fort Myers (A+) | DL-7 Injured |
| Yusuf Carter | c | 29.170 | Toronto Blue Jays | New Hampshire (AA) | DL-7 Injured |
| Lindsey Caughel | P | 23.347 | Los Angeles Dodgers | Rancho Cucamonga (A+) | DL-7 Injured |
| Wander Suero | P | 22.315 | Washington Nationals | Hagerstown (A) | DL-7 Injured |
| Chris Diaz | IF | 23.259 | Pittsburgh Pirates | West Virginia (A) | DL-7 Injured |
| Danny Collins | IF | 23.165 | Pittsburgh Pirates | West Virginia (A) | DL-7 Injured |
| Greg Harris | P | 19.343 | Los Angeles Dodgers | Great Lakes (A) | DL-7 Injured |
| Justin Topa | P | 23.141 | Pittsburgh Pirates | West Virginia (A) | DL-7 Injured |
| Kohl Stewart | P | 19.292 | Minnesota Twins | Cedar Rapids (A) | DL-7 Injured |
| Nolan Earley | OF | 23.121 | Chicago White Sox | Kannapolis (A) | DL-7 Injured |
| Sal Giardina | C | 22.087 | Atlanta Braves | Rome (A) | DL-7 Injured |
| Tyler Barnette | P | 22.059 | Chicago White Sox | Kannapolis (A) | DL-7 Injured |
| Victor Reyes | OF | 19.294 | Atlanta Braves | Rome (A) | DL-7 Injured |
| Kendall Coleman | RF | 19.065 | New York Yankees | Gulf Coast Yankees (Rk) | DL-60 Injured |
| Miguel Gonzalez | P | 19.287 | Minnesota Twins | Gulf Coast Twins (Rk) | DL-7 Injured |
| Reyson Zoquiel | P | 20.263 | Minnesota Twins | Gulf Coast Twins (Rk) | DL-7 Injured |
| Fernando Salas | RP | 29.057 | Los Angeles Angels | Salt Lake (AAA) | Optioned to Salt Lake (AAA) |
| Audry Perez | C | 25.215 | St. Louis Cardinals | Memphis (AAA) | Reinstated from restricted list |
| Whit Mayberry | P | 24.058 | Detroit Tigers | Lakeland (A+) | Assigned to Lakeland (A+) |
| Billy Fleming | 2B | 21.309 | New York Yankees | Gulf Coast Yankees (Rk) | Signed out of draft (West Virginia) |
| Graham Ramos | SS | 23.176 | New York Yankees | Gulf Coast Yankees (Rk) | Signed out of draft (Lander) |
| Joan Mauricio | SS | 17.277 | Houston Astros | Gulf Coast Astros (Rk) | Assigned to GCL Astros (Rk) |
| Josh Smith | P | 18.018 | Arizona Diamondbacks | Arizona Diamondbacks (Rk) | Signed out of draft (California HS) |
| Karl Hoschke | OF | 19.025 | Atlanta Braves | Atlanta Braves (MLB) | Signed with Sydney (Australia) On Braves reserve list |
| Wigberto Nevarez | C | 22.313 | Atlanta Braves | Danville (Rk) | Assigned to Danville (Rk) |
| Will Allen | C | 22.123 | Detroit Tigers | Gulf Coast Tigers (East) (Rk) | DL-60 Injured |
