| Curtis Granderson | rf | 32.114 | New York Yankees | New York Yankees (MLB) | Transferred to 60-day DL |
| Travis Ishikawa | 1b | 29.288 | New York Yankees | New York Yankees (MLB) | Claimed off waivers from Orioles by Yankees |
| Michael Pineda | P | 24.171 | New York Yankees | Scranton/Wilkes-Barre (AAA) | Activated from DL and assigned to Scranton/Wilkes-Barre (AAA) |
| Kevin Youkilis | 3b | 34.115 | New York Yankees | New York Yankees (MLB) | Transferred to 60-day DL |
| Lance Berkman | dh | 37.149 | Texas Rangers | Texas Rangers (MLB) | DL-15 Left hip inflammation [Trying to break up double-play] |
| Cory Burns | RP | 25.273 | Texas Rangers | Texas Rangers (MLB) | Recalled from Round Rock (AAA) |
| Joakim Soria | RP | 29.051 | Texas Rangers | Texas Rangers (MLB) | Activated from DL |
| Nick Tepesch | SP | 24.269 | Texas Rangers | Texas Rangers (MLB) | DL-15 Right elbow inflammation [Noticed while playing catch on non-pitching day] |
| Ross Detwiler | SP | 27.124 | Washington Nationals | Washington Nationals (MLB) | DL-15 Lower back strain [Felt discomfort] |
| Chad Gaudin | SP | 30.106 | San Francisco Giants | San Francisco Giants (MLB) | Activated from DL |
| Mike Kickham | RP | 24.208 | San Francisco Giants | Fresno (AAA) | Optioned to Fresno (AAA) |
| Chris Hatcher | RP | 28.177 | Miami Marlins | Miami Marlins (MLB) | Recalled from New Orleans (AAA) |
| Zack Cox | 3B | 24.060 | Miami Marlins | New Orleans (AAA) | DL-7 Injured |
| Rob Scahill | RP | 26.143 | Colorado Rockies | Colorado Springs (AAA) | Placed on temporary inactive list |
| Yunesky Maya | RP | 31.314 | Washington Nationals | Syracuse (AAA) | Activated from temporarily inactive list |
| Cord Phelps | 2b | 26.166 | Cleveland Indians | Columbus (AAA) | DL-7 Sprained right wrist |
| Kyle Hallock | P | 24.336 | Houston Astros | Corpus Christi (AA) | Placed on temporary inactive list |
| Tyrell Jenkins | P | 20.353 | St. Louis Cardinals | Palm Beach (A+) | DL-7 Injured |
| Jhonatan Arias | C | 24.140 | | | Released by Twins |
| Ronald Barnes | P | 22.364 | Miami Marlins | Greensboro (A) | DL-7 left rib costochrondritis |
| Beau Bishop | C | 20.002 | | | Released by Red Sox |
| Reid Brignac | ss | 27.173 | Colorado Rockies | Colorado Springs (AAA) | Activated from DL |
| Josh Richmond | RF | 24.024 | Chicago White Sox | Winston-Salem (A+) | Activated from DL |
| Juan Crousset | LF-RF | 23.069 | Colorado Rockies | Modesto (A+) | Activated from DL |
| Chase Brookshire | p | 22.123 | St. Louis Cardinals | State College (A-) | Activated from DL |
| Mayckol Guaipe | P | 22.331 | Seattle Mariners | High Desert (A+) | Activated from DL |
| Hector Gimenez | c | 30.283 | Chicago White Sox | Charlotte (AAA) | Outrighted to Charlotte (AAA) |
| P.J. Walters | SP | 28.118 | Minnesota Twins | Rochester (AAA) | Outrighted to Rochester (AAA) |
| Shawn Camp | RP | 37.233 | | | Released by Cubs |
| Kyle Drabek | P | 25.213 | Toronto Blue Jays | Buffalo (AAA) | Activated from DL and assigned to Buffalo (AAA) |
| Angel Pagan | cf | 32.006 | San Francisco Giants | San Jose (A+) | Transferred to 60-day DL |
| Dan Haren | SP | 32.294 | Washington Nationals | Washington Nationals (MLB) | Activated from DL |
| Scott Hairston | lf | 33.044 | Washington Nationals | Washington Nationals (MLB) | Traded from Cubs to Nationals for Ivan Pineyro |
| Ivan Pineyro | P | 21.283 | Chicago Cubs | Chicago Cubs (MLB) | Traded from Nationals to Cubs for Scott Hairston |
| Justin Thomas | P | 29.172 | | | Signed with Nippon Ham Fighters (Japan) |
| Brooks Raley | RP | 25.009 | Chicago Cubs | Chicago Cubs (MLB) | Recalled from Iowa (AAA) |
| Jonathan Diaz | 3b | 28.089 | Boston Red Sox | Pawtucket (AAA) | Outrighted to Pawtucket (AAA) |
| Louis Coleman | RP | 27.095 | Kansas City Royals | Kansas City Royals (MLB) | Recalled from Omaha (AAA) |
| Will Smith | RP | 23.363 | Kansas City Royals | Omaha (AAA) | Optioned to Omaha (AAA) |
| Grant Green | 2b | 25.285 | Oakland Athletics | Oakland Athletics (MLB) | Recalled from Sacramento (AAA) |
| Adam Rosales | ss | 30.049 | Oakland Athletics | Oakland Athletics (MLB) | Designated for Assignment |
| Jeremy Bonderman | SP | 30.253 | Seattle Mariners | Seattle Mariners (MLB) | Designated for Assignment |
| Lucas Luetge | RP | 26.134 | Seattle Mariners | Seattle Mariners (MLB) | Recalled from Tacoma (AAA) |
| Joaquin Arias | ss | 28.290 | San Francisco Giants | San Francisco Giants (MLB) | DL-15 Appendicitis [-] |
| Nick Noonan | 2b | 24.065 | San Francisco Giants | San Francisco Giants (MLB) | Recalled from Fresno (AAA) |
| Charlie Blackmon | CF | 27.007 | Colorado Rockies | Colorado Rockies (MLB) | Recalled from Colorado Springs (AAA) |
| Roy Oswalt | SP | 35.313 | Colorado Rockies | Colorado Rockies (MLB) | DL-15 Strained left hamstring [Running in to cover home plate on a wild pitch] |
| Stephen Fife | SP | 26.277 | Los Angeles Dodgers | Los Angeles Dodgers (MLB) | DL-15 Right shoulder bursitis [-] |
| Matt Kemp | cf | 28.288 | Los Angeles Dodgers | Los Angeles Dodgers (MLB) | DL-15 AC Joint irritation in left shoulder [Felt soreness during batting practice] |
| Scott Van Slyke | RF-1B | 26.349 | Los Angeles Dodgers | Los Angeles Dodgers (MLB) | Recalled from Albuquerque (AAA) |
| Brad Brach | RP | 27.087 | San Diego Padres | San Diego Padres (MLB) | Recalled from Tucson (AAA) |
| Robbie Erlin | SP | 22.273 | San Diego Padres | Tucson (AAA) | Optioned to Tucson (AAA) |
| Josh Davis | p | 22.247 | Chicago Cubs | Chicago Cubs (MLB) | Signed as undrafted free agent out of college |
| Jon Link | P | 29.107 | Detroit Tigers | Erie (AA) | Contract purchased from Wichita (American) |
| Erik Kratz | c | 33.023 | Philadelphia Phillies | Lehigh Valley (AAA) | Assigned to Lehigh Valley (AAA) for rehab |
| Tim Smalling | 2B-SS | 25.268 | Colorado Rockies | Tulsa (AA) | Assigned to Tulsa (AA) |
| Shawn McGill | C | 29.130 | Atlanta Braves | Lynchburg (A+) | Assigned to Lynchburg (A+) |
| Nate Samson | 3B-2B | 25.324 | Chicago Cubs | Tennessee (AA) | Contract purchased from Winnipeg (American) |
| Travis Tartamella | C | 25.204 | St. Louis Cardinals | Memphis (AAA) | Assigned to Memphis (AAA) |
| Chris Jacobs | 1B | 24.225 | Los Angeles Dodgers | Rancho Cucamonga (A+) | Assigned to Rancho Cucamonga (A+) |
| Oscar Tejeda | 2B | 23.194 | Pittsburgh Pirates | Altoona (AA) | Assigned to Altoona (AA) |
| Jerry Sands | LF-1B | 25.284 | Pittsburgh Pirates | Indianapolis (AAA) | Assigned to Indianapolis (AAA) |
| A.J. Kirby-Jones | 1B | 24.279 | San Diego Padres | Lake Elsinore (A+) | Assigned to Lake Elsinore (A+) |
| Tom Belza | RF-2B | 23.342 | Arizona Diamondbacks | Visalia (A+) | Assigned to Visalia (A+) |
| Drew Heid | LF-RF | 25.207 | Los Angeles Angels | Salt Lake (AAA) | Assigned to Salt Lake (AAA) |
| Tucker Nathans | IF | 24.244 | Baltimore Orioles | Frederick (A+) | Assigned to Frederick (A+) |
| Kyle Johnson | OF | 23.241 | New York Mets | St. Lucie (A+) | Assigned to St. Lucie (A+) |
| Radley Haddad | C | 23.058 | New York Yankees | Staten Island (A-) | Assigned to Staten Island (A-) |
| Mike Mosby | 3B | 23.251 | Baltimore Orioles | Gulf Coast Orioles (Rk) | Assigned to Gulf Coast Orioles (Rk) |
| Jorge Bonifacio | RF | 20.034 | Kansas City Royals | Wilmington (A+) | Assigned to Wilmington (A+) |
| Alex Monsalve | C | 21.077 | Cleveland Indians | Arizona Indians (Rk) | Assigned to Arizona Indians (Rk) |
| Yefri Perez | SS | 22.134 | Miami Marlins | Batavia (A-) | Assigned to Batavia (A-) |
| Gabriel Quintana | 3B | 20.304 | San Diego Padres | Arizona Padres (Rk) | Assigned to Arizona Padres (Rk) |
| Adam Lewis | | 24.087 | St. Louis Cardinals | Palm Beach (A+) | Assigned to Palm Beach (A+) |
| Reynaldo Bruguera | | 21.246 | San Diego Padres | Lake Elsinore (A+) | Assigned to Lake Elsinore (A+) |
| Santos Rodriguez | P | 25.188 | Chicago White Sox | Charlotte (AAA) | Assigned to Charlotte (AAA) |
| Adam Liberatore | P | 26.057 | Tampa Bay Rays | Durham (AAA) | Assigned to Durham (AAA) |
| T.J. Mittelstaedt | LF | 25.146 | Milwaukee Brewers | Huntsville (AA) | Assigned to Huntsville (AA) |
| Matt Buschmann | P | 29.146 | Tampa Bay Rays | Durham (AAA) | Assigned to Durham (AAA) |
| Chaz Roe | RP | 26.272 | Arizona Diamondbacks | Reno (AAA) | Assigned to Reno (AAA) |
| Terry Doyle | P | 27.248 | Boston Red Sox | Portland (AA) | Assigned to Portland (AA) |
| Michael Solbach | P | 27.342 | Colorado Rockies | Colorado Springs (AAA) | Assigned to Colorado Springs (AAA) |
| Pat Venditte | P | 28.008 | New York Yankees | Gulf Coast Yankees (Rk) | |
| Yohan Pino | P | 29.195 | Cincinnati Reds | Louisville (AAA) | Assigned to Louisville (AAA) |
| Jake Petricka | P | 25.033 | Chicago White Sox | Charlotte (AAA) | Assigned to Charlotte (AAA) |
| Mike Bolsinger | P | 25.161 | Arizona Diamondbacks | Reno (AAA) | Assigned to Reno (AAA) |
| Ryan Kelly | P | 25.252 | San Diego Padres | Tucson (AAA) | Assigned to Tucson (AAA) |
| Arnold Leon | P | 24.305 | Oakland Athletics | Sacramento (AAA) | Assigned to Sacramento (AAA) |
| Dae-Eun Rhee | P | 24.107 | Chicago Cubs | Boise (A-) | Assigned to Boise (A-) |
| Jeremy Kehrt | P | 27.199 | Boston Red Sox | Pawtucket (AAA) | Assigned to Pawtucket (AAA) |
| Matt Andriese | P | 23.314 | San Diego Padres | Tucson (AAA) | Assigned to Tucson (AAA) |
| Kevin Mager | 1b | 24.053 | Boston Red Sox | Greenville (A) | Assigned to Greenville (A) |
| Asher Wojciechowski | P | 24.199 | Houston Astros | Oklahoma City (AAA) | Assigned to Oklahoma City (AAA) |
| Matt Loosen | P | 24.089 | Chicago Cubs | Daytona (A+) | Assigned to Daytona (A+) |
| Boone Whiting | P | 23.322 | St. Louis Cardinals | Memphis (AAA) | Assigned to Memphis (AAA) |
| Paul Smyth | P | 26.098 | Oakland Athletics | Sacramento (AAA) | Assigned to Sacramento (AAA) |
| Derek Law | P | 22.297 | San Francisco Giants | San Jose (A+) | Assigned to San Jose (A+) |
| Ben Rowen | P | 24.235 | Texas Rangers | Round Rock (AAA) | Assigned to Round Rock (AAA) |
| J.R. Bradley | P | 21.029 | Arizona Diamondbacks | Hillsboro (A-) | Assigned to Hillsboro (A-) |
| John Simms | P | 21.173 | Washington Nationals | Auburn (A-) | Assigned to Auburn (A-) |
| Bobby Wahl | P | 21.109 | Oakland Athletics | Vermont (A-) | Assigned to Vermont (A-) |
| C.J. Riefenhauser | P | 23.159 | Tampa Bay Rays | Durham (AAA) | Assigned to Durham (AAA) |
| Alex Blackford | P | 22.234 | Los Angeles Angels | Burlington (A) | Assigned to Burlington (A) |
| Rob Smorol | P | 22.136 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Signed as undrafted free agent out of college |
| Rafael Martin | P | 29.053 | Washington Nationals | Potomac (A+) | Assigned to Potomac (A+) |
| Keone Kela | P | 20.083 | Texas Rangers | Arizona Rangers (Rk) | Assigned to Arizona Rangers (Rk) |
| Jacob Newberry | | 22.271 | Kansas City Royals | Burlington (Rk) | Assigned to Burlington (Rk) |
| Sam Bragg | P | 20.107 | Oakland Athletics | Vermont (A-) | Assigned to Vermont (A-) |
| Ryan Etsell | P | 21.203 | Los Angeles Angels | Arizona Angels (Rk) | Assigned to Arizona Angels (Rk) |
| Evan Smith | P | 17.326 | Toronto Blue Jays | Gulf Coast Blue Jays (Rk) | Assigned to Gulf Coast Blue Jays (Rk) |
| Henry Hirsch | P | 20.282 | Pittsburgh Pirates | Gulf Coast Pirates (Rk) | |
