| Jake McGee | RP | 29.014 | Tampa Bay Rays | Tampa Bay Rays (MLB) | DL-15 Torn meniscus left knee |
| Guido Knudson | RP | 26.015 | Detroit Tigers | Detroit Tigers (MLB) | Contract purchased from minors |
| Daniel Norris | P | 22.117 | Detroit Tigers | Detroit Tigers (MLB) | DL-15 Right oblique strain |
| Jose Valdez | P | 25.172 | Detroit Tigers | Detroit Tigers (MLB) | Recalled from Toledo (AAA) |
| Anibal Sanchez | SP | 31.175 | Detroit Tigers | Detroit Tigers (MLB) | DL-15 Right rotator cuff inflammation |
| Byron Buxton | CF | 21.245 | Minnesota Twins | Minnesota Twins (MLB) | Recalled from Rochester (AAA) |
| Aaron Hicks | CF | 25.322 | Minnesota Twins | Minnesota Twins (MLB) | DL-15 Strained left hamstring |
| Scott McGough | RP | 25.293 | Miami Marlins | Miami Marlins (MLB) | Contract purchased from minors |
| Tomas Telis | C | 24.063 | Miami Marlins | New Orleans (AAA) | Assigned to New Orleans (AAA) |
| Mike Morin | RP | 24.109 | Los Angeles Angels | Salt Lake (AAA) | Assigned to Salt Lake (AAA) |
| Nick Tropeano | P | 24.358 | Los Angeles Angels | Los Angeles Angels (MLB) | Recalled from Salt Lake (AAA) |
| Josh Hamilton | LF | 34.091 | Texas Rangers | Texas Rangers (MLB) | DL-15 Left knee inflammation |
| Chase Anderson | SP | 27.264 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Recalled from Reno (AAA) |
| Jeremy Hellickson | SP | 28.134 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | DL-15 Strained left hamstring |
| Norichika Aoki | LF | 33.227 | San Francisco Giants | San Francisco Giants (MLB) | Activated from DL |
| Marlon Byrd | RF | 37.355 | San Francisco Giants | San Francisco Giants (MLB) | Traded from Reds to Giants for Stephen Johnson |
| Stephen Johnson | P | 24.180 | Cincinnati Reds | Cincinnati Reds (MLB) | Traded from Giants to Reds for Marlon Byrd |
| Hunter Pence | RF | 32.129 | San Francisco Giants | San Francisco Giants (MLB) | DL-15 Left oblique strain |
| Tyler Cravy | SP | 26.038 | Milwaukee Brewers | Milwaukee Brewers (MLB) | DL-15 Right elbow impingement |
| Ryan Lamarre | CF | 26.272 | Cincinnati Reds | Cincinnati Reds (MLB) | Contract purchased from minors |
| Brennan Boesch | LF | 30.130 | Cincinnati Reds | Cincinnati Reds (MLB) | Recalled from Louisville (AAA) |
| Billy Hamilton | CF | 24.345 | Cincinnati Reds | Cincinnati Reds (MLB) | DL-15 Jammed right shoulder |
| Dustin Garneau | C | 28.007 | Colorado Rockies | Colorado Rockies (MLB) | Contract purchased from minors |
| Michael McKenry | C | 30.169 | Colorado Rockies | Colorado Rockies (MLB) | DL-15 Lateral meniscus tear, right knee |
| Dylan Axelrod | RP | 30.021 | Cincinnati Reds | Louisville (AAA) | Assigned to Louisville (AAA) |
| Nate Adcock | RP | 27.177 | Cincinnati Reds | Cincinnati Reds (MLB) | Transferred to 60-day DL |
| Sam LeCure | RP | 31.108 | Cincinnati Reds | Cincinnati Reds (MLB) | Contract purchased from minors |
| Chase Utley | DH | 36.246 | Los Angeles Dodgers | Los Angeles Dodgers (MLB) | Traded from Phillies to Dodgers for Darnell Sweeney and John Richy |
| John Richy | P | 23.023 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Traded from Dodgers with Darnell Sweeney to Phillies for Chase Utley |
| Darnell Sweeney | SS | 24.200 | Philadelphia Phillies | Philadelphia Phillies (MLB) | Traded from Dodgers with John Richy to Phillies for Chase Utley |
| Joey Terdoslavich | LF | 26.345 | Atlanta Braves | Gwinnett (AAA) | Assigned to Gwinnett (AAA) |
| Freddie Freeman | 1B | 25.342 | Atlanta Braves | Atlanta Braves (MLB) | Activated from DL |
| Cesar Puello | CF-RF | 24.141 | | | Released by Mets |
| Drew Verhagen | RP | 24.302 | Detroit Tigers | Detroit Tigers (MLB) | Recalled from Toledo (AAA) |
| Justin Masterson | RP | 30.151 | | | Released by Red Sox |
| Josh Wall | RP | 28.211 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Contract purchased from minors |
| Pedro Florimon | SS | 28.253 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Designated for Assignment |
| Travis Snider | LF | 27.200 | Pittsburgh Pirates | Pittsburgh Pirates (MLB) | Signed to Minor League Contract |
| Gerald Laird | c | 35.281 | Arizona Diamondbacks | Arizona Diamondbacks (MLB) | Activated from DL |
| Blake Anderson | C | 19.228 | Miami Marlins | Batavia (A-) | Activated from disabled list |
| Landon Beck | P | 22.254 | St. Louis Cardinals | Peoria (A) | Assigned to Peoria (A) |
| J.R. Bradley | P | 23.072 | Arizona Diamondbacks | Mobile (AA) | Assigned to Mobile (AA) |
| Hunter Cervenka | P | 25.229 | Atlanta Braves | Mississippi (AA) | Assigned to Mississippi (AA) |
| Jose Diaz | p | 22.105 | Miami Marlins | Gulf Coast Marlins (Rk) | Assigned to Gulf Coast Marlins (Rk) |
| Cody Ege | P | 24.104 | Miami Marlins | New Orleans (AAA) | Assigned to New Orleans (AAA) |
| Phil Ervin | OF | 23.034 | Cincinnati Reds | Pensacola (AA) | Assigned to Pensacola (AA) |
| Jake Esch | P | 25.146 | Miami Marlins | Jacksonville (AA) | Activated from DL |
| Joshua Fields | RP | 30.001 | Houston Astros | Corpus Christi (AA) | Assigned to Corpus Christi (AA) |
| Austin Fisher | IF | 22.224 | Cleveland Indians | Akron (AA) | Assigned to Akron (AA) |
| Cesar Galvez | 2B | 24.027 | Colorado Rockies | Asheville (A) | Assigned to Asheville (A) |
| Ryan Gebhardt | SS | 23.320 | Atlanta Braves | Rome (A) | Assigned to Rome (A) |
| Reymin Guduan | P | 23.157 | Houston Astros | Corpus Christi (AA) | Activated from disabled list |
| Hector Hernandez | P | 24.181 | Arizona Diamondbacks | Visalia (A+) | Activated from disabled list |
| Jake Hernandez | C | 23.076 | New York Yankees | Charleston (sc) (A) | Assigned to Charleston (sc) (A) |
| P.J. Higgins | 2b | 22.102 | Chicago Cubs | Eugene (A-) | Assigned to Eugene (A-) |
| James Kaprielian | p | 21.171 | New York Yankees | Staten Island (A-) | Assigned to Staten Island (A-) |
| Kyle Keller | p | 22.114 | Miami Marlins | Greensboro (A) | Assigned to Greensboro (A) |
| Conner Kendrick | P | 23.001 | New York Yankees | Tampa (A+) | Assigned to Tampa (A+) |
| Jeff Kinley | p | 23.187 | Miami Marlins | Greensboro (A) | Assigned to Greensboro (A) |
| Barrett Kleinknecht | 3B-1B | 27.021 | Atlanta Braves | Mississippi (AA) | Assigned to Mississippi (AA) |
| Rob Kral | C | 26.145 | San Diego Padres | Arizona Padres (Rk) | Activated from disabled list |
| Jeremy Lucas | C | 24.222 | Cleveland Indians | Akron (AA) | Activated from disabled list |
| Parker Markel | P | 24.339 | Tampa Bay Rays | Durham (AAA) | Assigned to Durham (AAA) |
| Jon Matthews | RF | 24.136 | Cincinnati Reds | Dayton (A) | Assigned to Dayton (A) |
| Kyle McPherson | SP-RP | 27.283 | Tampa Bay Rays | Montgomery (AA) | Activated from disabled list |
| John Means | P | 22.118 | Baltimore Orioles | Frederick (A+) | Assigned to Frederick (A+) |
| Ben Meyer | p | 22.202 | Miami Marlins | Gulf Coast Marlins (Rk) | Assigned to Gulf Coast Marlins (Rk) |
| Kevonte Mitchell | 3B | 20.008 | Chicago Cubs | Arizona Cubs (Rk) | Assigned to Arizona Cubs (Rk) |
| Aaron Northcraft | P | 25.084 | San Diego Padres | San Antonio (AA) | Assigned to San Antonio (AA) |
| Hector Olivera | 2b | 30.137 | Atlanta Braves | Gwinnett (AAA) | Assigned to Gwinnett (AAA) |
| Aneury Osoria | p | 21.278 | Miami Marlins | Gulf Coast Marlins (Rk) | Assigned to Gulf Coast Marlins (Rk) |
| Victor Padron | OF | 21.046 | Detroit Tigers | West Michigan (A) | Assigned to West Michigan (A) |
| Daniel Pigott | C-OF | 25.320 | Cincinnati Reds | Daytona (A+) | Activated from disabled list |
| Jeremy Rathjen | OF | 25.204 | Los Angeles Dodgers | Tulsa (AA) | Activated from disabled list |
| C.J. Robinson | P | 22.101 | Miami Marlins | Jupiter (A+) | Assigned to Jupiter (A+) |
| Jairo Rosario | C | 22.211 | Colorado Rockies | Boise (A-) | Assigned to Boise (A-) |
| Craig Schlitter | P | 23.096 | Colorado Rockies | Asheville (A) | Assigned to Asheville (A) |
| Tayler Scott | P | 23.080 | Chicago Cubs | Tennessee (AA) | Activated from disabled list |
| Brett Shankin | P | 25.294 | Arizona Diamondbacks | Visalia (A+) | Assigned to Visalia (A+) |
| Matt Shelton | P | 26.263 | Los Angeles Dodgers | Rancho Cucamonga (A+) | Activated from disabled list |
| Bryson Smith | CF | 26.246 | Cincinnati Reds | Louisville (AAA) | Assigned to Louisville (AAA) |
| Chad Smith | P | 25.322 | Texas Rangers | Round Rock (AAA) | Signed to Minor League Contract |
| Myles Smith | P | 23.150 | Arizona Diamondbacks | Visalia (A+) | Assigned to Visalia (A+) |
| Stephen Smith | P | 29.097 | Los Angeles Dodgers | Oklahoma City (AAA) | Reinstated to active roster |
| Travis Snider | LF | 27.200 | Pittsburgh Pirates | Indianapolis (AAA) | Assigned to Indianapolis (AAA) |
| Andrew Sohn | IF | 22.104 | St. Louis Cardinals | Palm Beach (A+) | Assigned to Palm Beach (A+) |
| Ho-Young Son | SS | 20.362 | Chicago Cubs | Arizona Cubs (Rk) | Assigned to Arizona Cubs (Rk) |
| Daniel Spingola | of | 22.107 | Chicago Cubs | Eugene (A-) | Assigned to Eugene (A-) |
| Tyler Spoon | of | 22.326 | Boston Red Sox | Lowell (A-) | Assigned to Lowell (A-) |
| Dennis Torres | P | 25.095 | Baltimore Orioles | Delmarva (A) | Reinstated to active roster |
| Carlos Tovar | ss | 20.000 | Boston Red Sox | Gulf Coast Red Sox (Rk) | Assigned to Gulf Coast Red Sox (Rk) |
| Blake Trahan | ss | 21.349 | Cincinnati Reds | Daytona (A+) | Assigned to Daytona (A+) |
| Colton Turner | P | 24.215 | Toronto Blue Jays | Lansing (A) | Assigned to Lansing (A) |
| Zander Wiel | 1b | 22.221 | Minnesota Twins | Elizabethton (Rk) | Activated from disabled list |
| John Williams | p | 22.103 | Tampa Bay Rays | Gulf Coast Rays (Rk) | Assigned to Gulf Coast Rays (Rk) |
| Josh Wirsu | P | 21.350 | St. Louis Cardinals | State College (A-) | Assigned to State College (A-) |
| Ross Wolf | RP | 32.306 | Texas Rangers | Round Rock (AAA) | Reinstated to active roster |
| Randy Wolf | P | 38.363 | Detroit Tigers | Toledo (AAA) | Traded from Blue Jays to Tigers for cash considerations |
| Greg Ross | P | 25.348 | Atlanta Braves | Mississippi (AA) | DL-7 Injured |
| Pedro Avila | p | 18.218 | Washington Nationals | Gulf Coast Nationals (Rk) | Assigned to GCL Nationals (Rk) |
| Garrett Harrison | p | 22.006 | Los Angeles Dodgers | Arizona Dodgers (Rk) | DL-60 Injured |
| Jack Murphy | C | 27.136 | Toronto Blue Jays | New Hampshire (AA) | DL-7 Injured |
