| Kevin Gausman | RP | 23.172 | Baltimore Orioles | Baltimore Orioles (MLB) | Recalled from Bowie (AA) |
| Evan Meek | P | 31.046 | Baltimore Orioles | Baltimore Orioles (MLB) | Recalled from Norfolk (AAA) |
| Bud Norris | SP | 29.117 | Baltimore Orioles | Baltimore Orioles (MLB) | DL-15 Right groin strain |
| Alex Colome | SP | 25.178 | Tampa Bay Rays | Tampa Bay Rays (MLB) | Recalled from Durham (AAA) |
| Yohan Pino | P | 30.184 | Minnesota Twins | Minnesota Twins (MLB) | Recalled from Rochester (AAA) |
| Danny Santana | SS | 23.232 | Minnesota Twins | Minnesota Twins (MLB) | DL-15 Bone bruise in left knee |
| Michael Saunders | LF-cf | 27.220 | Seattle Mariners | Seattle Mariners (MLB) | Activated from DL |
| Nick Evans | 1B | 28.148 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Contract purchased from minors |
| Koyie Hill | c | 35.110 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Contract purchased from minors |
| Carlos Ruiz | c | 34.157 | Philadelphia Phillies | Philadelphia Phillies (MLB) | DL-7 Concussion-like symptoms |
| Brian Flynn | P | 24.069 | Miami Marlins | Miami Marlins (MLB) | Recalled from New Orleans (AAA) |
| Jonathan Diaz | 3b | 29.078 | Toronto Blue Jays | Toronto Blue Jays (MLB) | Outrighted to minors |
| Shawn Camp | RP | 38.222 | - | | Released by Phillies |
| Tony Abreu | 2B | 29.226 | San Francisco Giants | Fresno (AAA) | Assigned to Fresno (AAA) |
| Cory Aldridge | RF | 35.014 | Toronto Blue Jays | New Hampshire (AA) | Assigned to New Hampshire (AA) |
| Brad Allen | P | 25.093 | Toronto Blue Jays | Lansing (A) | Activated from disabled list |
| Jesse Beal | P | 23.350 | Baltimore Orioles | Frederick (A+) | Activated from disabled list |
| Christopher Beck | P | 23.296 | Chicago White Sox | Birmingham (AA) | Assigned to Birmingham (AA) |
| Engel Beltre | RF | 24.238 | Texas Rangers | Round Rock (AAA) | Assigned to Round Rock (AAA) for rehab |
| Austin Bibens-Dirkx | P | 29.059 | Toronto Blue Jays | Buffalo (AAA) | Assigned to Buffalo (AAA) |
| Dan Black | 1B | 26.361 | Chicago White Sox | Birmingham (AA) | Activated from disabled list |
| Justin Bloxom | 3B | 26.059 | Atlanta Braves | Lynchburg (A+) | Activated from disabled list |
| Justin Bour | 1B | 26.030 | Miami Marlins | New Orleans (AAA) | Assigned to New Orleans (AAA) |
| Mike Carp | 1b | 27.362 | Boston Red Sox | Pawtucket (AAA) | Assigned to Pawtucket (AAA) for rehab |
| Exicardo Cayones | RF | 22.262 | Los Angeles Angels | Inland Empire (A+) | Assigned to Inland Empire (A+) |
| A.J. Cole | P | 22.174 | Washington Nationals | Syracuse (AAA) | Assigned to Syracuse (AAA) |
| Bobby Coyle | LF-RF | 25.113 | Los Angeles Dodgers | Chattanooga (AA) | Assigned to Chattanooga (AA) |
| Lars Davis | C | 28.232 | Philadelphia Phillies | Lehigh Valley (AAA) | Assigned to Lehigh Valley (AAA) |
| Kentrell Dewitt | LF | 23.099 | Miami Marlins | Greensboro (A) | Activated from disabled list |
| Jonathan Diaz | 3b | 29.078 | Toronto Blue Jays | Buffalo (AAA) | Assigned to Buffalo (AAA) |
| Pedro Encarnacion | P | 23.001 | Washington Nationals | Gulf Coast Nationals (Rk) | Activated from disabled list |
| Stephen Fife | SP | 27.266 | Los Angeles Dodgers | Albuquerque (AAA) | Activated from DL |
| Todd Glaesmann | RF | 23.246 | Arizona Diamondbacks | Mobile (AA) | Assigned to Mobile (AA) |
| Erik Gonzalez | 3B | 22.301 | Cleveland Indians | Akron (AA) | Assigned to Akron (AA) |
| Kevin Grendell | P | 20.309 | Baltimore Orioles | Aberdeen (A-) | Assigned to Aberdeen (A-) |
| Cameron Griffin | P | 23.002 | New York Mets | Gulf Coast Mets (Rk) | Assigned to Gulf Coast Mets (Rk) |
| Bryce Harper | lf | 21.254 | Washington Nationals | Harrisburg (AA) | Assigned to Harrisburg (AA) for rehab |
| Dylan Hawkins | P | 21.001 | St. Louis Cardinals | Gulf Coast Cardinals (Rk) | Assigned to Gulf Coast Cardinals (Rk) |
| Jeremy Hellickson | SP | 27.080 | Tampa Bay Rays | Durham (AAA) | Activated from disabled list |
| Pete Hissey | CF | 24.161 | Boston Red Sox | Portland (AA) | Activated from disabled list |
| Hayden Hurst | P | 20.307 | Pittsburgh Pirates | West Virginia (A) | Assigned to West Virginia (A) |
| Cody Keefer | OF | 23.233 | Miami Marlins | Jupiter (A+) | Assigned to Jupiter (A+) |
| Joe Kelly | SP | 26.018 | St. Louis Cardinals | Memphis (AAA) | Activated from disabled list |
| Josh Kimborowicz | P | 22.102 | Tampa Bay Rays | Bowling Green (A) | Assigned to Bowling Green (A) |
| Erik Komatsu | CF | 26.270 | Milwaukee Brewers | Huntsville (AA) | Assigned to Huntsville (AA) |
| Michael Lee | P | 27.221 | Arizona Diamondbacks | Reno (AAA) | Assigned to Reno (AAA) |
| Eric Marzec | P | 26.166 | Milwaukee Brewers | Huntsville (AA) | Assigned to Huntsville (AA) |
| David Masters | SS | 21.065 | Washington Nationals | Auburn (A-) | Activated from disabled list |
| Kevin McCoy | P | 22.351 | Seattle Mariners | Arizona Mariners (Rk) | Assigned to Arizona Mariners (Rk) |
| Brennan Metzger | OF | 24.194 | San Francisco Giants | Arizona Giants (Rk) | Assigned to Arizona Giants (Rk) |
| Jesus Montero | c | 24.210 | Seattle Mariners | Tacoma (AAA) | Assigned to Tacoma (AAA) |
| Eduardo Nunez | ss | 27.012 | Minnesota Twins | New Britain (AA) | Assigned to New Britain (AA) for rehab |
| Jeremias Pineda | CF | 23.223 | Minnesota Twins | Elizabethton (Rk) | Assigned to Elizabethton (Rk) |
| Erasmo Ramirez | SP | 24.056 | Seattle Mariners | Tacoma (AAA) | Assigned to Tacoma (AAA) |
| Jhonatan Ramos | P | 24.324 | Pittsburgh Pirates | Indianapolis (AAA) | Assigned to Indianapolis (AAA) |
| Ryan Rieger | 1B | 23.321 | Miami Marlins | Jacksonville (AA) | Assigned to Jacksonville (AA) |
| Edinson Rincon | 3B | 23.320 | Kansas City Royals | Northwest Arkansas (AA) | Activated from disabled list |
| Jason Rogers | LF | 26.106 | Milwaukee Brewers | Nashville (AAA) | Assigned to Nashville (AAA) |
| Alexander Santana | P | 22.306 | Baltimore Orioles | Delmarva (A) | Assigned to Delmarva (A) |
| Adalberto Santos | LF-2B | 26.273 | San Francisco Giants | Fresno (AAA) | Traded from Pirates to Giants |
| Zeke Spruill | SP | 24.289 | Arizona Diamondbacks | Reno (AAA) | Assigned to Reno (AAA) |
| Dallas Tarleton | C | 26.327 | Arizona Diamondbacks | Visalia (A+) | Activated from disabled list |
| Luis Torrens | C | 18.056 | New York Yankees | Staten Island (A-) | Assigned to Staten Island (A-) |
| Carlos Triunfel | ss | 24.120 | Los Angeles Dodgers | Albuquerque (AAA) | Assigned to Albuquerque (AAA) |
| Nick Vander Tuig | P | 22.201 | San Francisco Giants | Arizona Giants (Rk) | Assigned to Arizona Giants (Rk) |
| Jose Vinicio | SS | 20.352 | Boston Red Sox | Salem (A+) | Assigned to Salem (A+) |
| Logan Wade | 2B | 22.227 | Minnesota Twins | Gulf Coast Twins (Rk) | Assigned to Gulf Coast Twins (Rk) |
| Josh Whitaker | RF-LF | 25.139 | Oakland Athletics | Sacramento (AAA) | Assigned to Sacramento (AAA) |
| Casper Wells | cf | 29.216 | | | Released by Cubs |
| Scott Richmond | P | 34.302 | Texas Rangers | Round Rock (AAA) | DL-7 Injured |
| Tony Cingrani | SP | 24.357 | Cincinnati Reds | Louisville (AAA) | DL-7 Injured |
| Wilkin Ramirez | rf-lf | 28.245 | Minnesota Twins | Rochester (AAA) | DL-7 Injured |
| A.J. Morris | P | 27.208 | Pittsburgh Pirates | Indianapolis (AAA) | DL-7 Injured |
| Joc Pederson | LF | 22.067 | Los Angeles Dodgers | Albuquerque (AAA) | DL-7 Separated right shoulder |
| Joey O'Gara | P | 26.068 | Miami Marlins | New Orleans (AAA) | DL-7 Injured |
| Michael Ramirez | C | 24.061 | Colorado Rockies | Colorado Springs (AAA) | Placed on temporary inactive list |
| Todd Hankins | 2B | 23.221 | Cleveland Indians | Carolina (A+) | DL-7 Injured |
| Tyler Ladendorf | 2B-SS | 26.112 | Oakland Athletics | Sacramento (AAA) | Suspended 50 games for violating Minor League policy on drugs of abuse |
| Bo Greenwell | RF-LF | 25.255 | | | Released by Red Sox |
| Jesse Biddle | P | 22.249 | Philadelphia Phillies | Reading (AA) | Placed on temporary inactive list |
| Jiwan James | CF | 25.077 | | | Released by Phillies |
| Jose Rivera | 2B | 24.070 | Colorado Rockies | Tulsa (AA) | DL-7 Injured |
| Lance Rymel | C | 24.056 | Chicago Cubs | Daytona (A+) | DL-7 Injured |
| Roberto Gomez | P | 24.328 | Tampa Bay Rays | Montgomery (AA) | DL-7 Injured |
| Anthony Prieto | P | 20.223 | Chicago Cubs | Daytona (A+) | DL-60 Injured |
| Austin Reed | P | 22.240 | Chicago Cubs | Daytona (A+) | DL-60 Injured |
| David Washington | 1B | 23.219 | St. Louis Cardinals | Palm Beach (A+) | DL-7 Injured |
| Yao-Lin Wang | P | 23.142 | Chicago Cubs | Daytona (A+) | DL-7 Injured |
| Austin Wilson | OF | 22.141 | Seattle Mariners | Clinton (A) | DL-7 Injured |
| Harvey Martin | IF-P | 24.350 | Milwaukee Brewers | Wisconsin (A) | DL-7 Injured |
| Jake Schrader | 1B | 23.118 | Atlanta Braves | Rome (A) | DL-7 Injured |
| Tyler Barnette | P | 22.030 | Chicago White Sox | Kannapolis (A) | DL-7 Injured |
| Daniel McCutchen | P | 31.274 | Chicago White Sox | Chicago White Sox (MLB) | Signed to minor league contract |
| Jason Grilli | RP | 37.228 | Los Angeles Angels | Los Angeles Angels (MLB) | Traded from Pirates to Angels for Ernesto Frieri |
| Ernesto Frieri | RP | 28.343 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Traded from Angels to Pirates for Jason Grilli |
| Roger Bernadina | cf | 30.015 | - | | Refused Minor League Assignment |
| Wynston Sawyer | C | 22.226 | Baltimore Orioles | Frederick (A+) | Activated from disabled list |
| Ronny Cedeno | ss | 31.145 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Designated for Assignment |
| Warwick Saupold | P | 24.162 | Detroit Tigers | Erie (AA) | DL-7 Right ankle sprain |
| Roger Bernadina | cf | 30.015 | - | | Released by Reds |
| Brad Snyder | RF | 32.033 | Texas Rangers | Texas Rangers (MLB) | Refused Minor League Assignment |
| Tyler Skaggs | SP | 22.350 | Los Angeles Angels | Los Angeles Angels (MLB) | Recalled from minor league rehab assignment |
| John Stilson | P | 23.334 | Toronto Blue Jays | Buffalo (AAA) | DL-7 Injured |
| Jeremy Bleich | P | 27.009 | New York Yankees | Scranton/Wilkes-Barre (AAA) | DL-7 Injured |
| Raisel Iglesias | P | 24.174 | Cincinnati Reds | Cincinnati Reds (MLB) | Signed to 7-year contract for 2014-2020 ($27m) |
| John Means | P | 21.064 | Baltimore Orioles | Gulf Coast Orioles (Rk) | Assigned to GCL Orioles (Rk) |
| Ray Hanson | P | 24.120 | Los Angeles Angels | Inland Empire (A+) | Assigned to Inland Empire (A+) |
| Andin Diaz | P | 21.298 | Chicago Cubs | Arizona Cubs (Rk) | Assigned to AZL Cubs (Rk) |
| Domenick Mancini | P | 20.272 | Washington Nationals | Auburn (A-) | Assigned to Auburn (A-) |
| Rafael Valera | 3B | 19.316 | Minnesota Twins | Fort Myers (A+) | Assigned to Fort Myers (A+) |
| Travis Hissong | P | 22.344 | New York Yankees | Gulf Coast Yankees (Rk) | Assigned to GCL Yankees (Rk) |
| Ben Brewster | P | 22.226 | Chicago White Sox | Kannapolis (A) | Assigned to Kannapolis (A) |
| Dayne Parker | IF | 22.249 | Houston Astros | Tri City (A-) | Assigned to Tri-CIty (A-) |
| Joe Winterburn | C | 22.091 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Signed out of draft (La Verne) |
| Sam Johns | P | 22.351 | Washington Nationals | Auburn (A-) | Assigned to Auburn (A-) |
| Chris Hoo | C | 22.129 | Miami Marlins | Gulf Coast Marlins (Rk) | Signed out of draft (Cal Poly) |
| Connor Bach | P | 22.003 | Washington Nationals | Auburn (A-) | Assigned to Auburn (A-) |
| Connor Spencer | IF | 21.156 | New York Yankees | Staten Island (A-) | Signed out of draft (UC Irvine) |
| James Bourque | P | 20.353 | Washington Nationals | Auburn (A-) | Assigned to Auburn (A-) |
| Joe Harvey | P | 22.170 | New York Yankees | Staten Island (A-) | Assigned to Staten Island (A-) |
| Jordan Foley | P | 20.350 | New York Yankees | Staten Island (A-) | Assigned to Staten Island (A-) |
| Andy Vasquez | 2B-LF | 26.263 | Pittsburgh Pirates | Altoona (AA) | Reinstated from suspension |
| Keon Broxton | CF | 24.051 | Pittsburgh Pirates | Altoona (AA) | Reinstated from suspension |
| Mark Zagunis | C | 21.142 | Chicago Cubs | Arizona Cubs (Rk) | Signed out of draft (Virginia Tech) |
| Sam Street | P | 22.101 | Pittsburgh Pirates | Jamestown (A-) | Signed as undrafted free agent (Texas-Pan American) |
| Adam Kirsch | OF | 23.224 | New York Yankees | Gulf Coast Yankees (Rk) | Signed out of draft (Texas Tech) |
| Alex Palsha | P | 22.048 | New York Mets | Gulf Coast Mets (Rk) | Signed out of draft (Sacramento State) |
| Braxton Davidson | OF | 18.009 | Atlanta Braves | Gulf Coast Braves (Rk) | Signed out of draft (North Carolina HS) |
| Dale Burdick | SS | 18.259 | New York Mets | Gulf Coast Mets (Rk) | Signed out of draft (Tennessee HS) |
| Devon Fisher | C | 18.057 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Signed out of draft (Virginia HS) |
| Jake Cosart | P | 20.136 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Signed out of draft (Seminole State-OK) |
| Josh Ockimey | 1B | 18.253 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Signed out of draft (Pennsylvania HS) |
| Lucas Long | P | 21.263 | Baltimore Orioles | Gulf Coast Orioles (Rk) | Signed out of draft (San Diego) |
| Michael Chavis | SS | 18.321 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Signed out of draft (Georgia HS) |
| Shane Zeile | C | 21.013 | Detroit Tigers | Gulf Coast Tigers (East) (Rk) | Signed out of draft (UCLA) |
| Trenton Kemp | OF | 18.271 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Signed out of draft (California HS) |
| Zak Miller | P | 22.273 | Los Angeles Angels | Arizona Angels (Rk) | Signed out of draft (Arizona State) |
| Zeke McGranahan | P | 23.175 | Baltimore Orioles | Gulf Coast Orioles (Rk) | Signed out of draft (Georgia Gwinnett) |
| Jonathan Jones | CF | 24.329 | Toronto Blue Jays | New Hampshire (AA) | Placed on temporary inactive list |
