| Last updated: Sat, May 26, 2012, 17:45 EDT | |||
| Date | Player | Pos. | Transaction |
| 5/24 | Yuniesky Betancourt | SS | Sent to Minors, For Rehabilitation |
| 5/22 | Chris Getz | 2B | Placed on 15-Day DL, (Left ribcage contusion) |
| 5/22 | Blake Wood | P | Transferred to 60-Day DL, (Right elbow surgery - out for season) |
| 5/22 | Will Smith | P | Purchased From Minors |
| 5/19 | Everett Teaford | P | Placed on 15-Day DL, (Lower abdominal strain) |
| 5/19 | Nate Adcock | P | Called Up from Minors |
| 5/17 | Nate Adcock | P | Sent to Minors |
| 5/17 | Louis Coleman | P | Called Up from Minors |
| 5/17 | Vin Mazzaro | P | Sent to Minors |
| 5/17 | Everett Teaford | P | Called Up from Minors |
| 5/14 | Danny Duffy | P | Placed on 15-Day DL, (Torn UCL, left elbow) |
| 5/14 | Nate Adcock | P | Called Up from Minors |
| 5/12 | Greg Holland | P | Removed From 15-Day DL, (Stress reaction, left ribcage area) |
| 5/12 | Doug Davis | P | Signed to a Minor League Contract |
| 5/12 | Nate Adcock | P | Sent to Minors |
| 5/11 | Greg Holland | P | Recalled From Minors, Rehab Assignment |
| 5/9 | Johnny Giavotella | 2B | Called Up from Minors |
| 5/9 | Jonathan Sanchez | P | Placed on 15-Day DL, (Left biceps tendinitis) |
| 5/8 | Tommy Hottovy | P | Sent to Minors |
| 5/8 | Greg Holland | P | Sent to Minors, For Rehabilitation |
| 5/8 | Vin Mazzaro | P | Called Up from Minors |
| 5/5 | Felipe Paulino | P | Removed From 15-Day DL, (Right forearm tightness) |
| 5/5 | Louis Coleman | P | Sent to Minors |
| 5/3 | Joakim Soria | P | Transferred to 60-Day DL, (Right elbow surgery - out for season) |
| 5/3 | Irving Falu | SS | Purchased From Minors |
| 5/3 | Yuniesky Betancourt | SS | Placed on 15-Day DL, (Right ankle sprain) |
| 5/1 | Felipe Paulino | P | Recalled From Minors, Rehab Assignment |
| 4/28 | Everett Teaford | P | Sent to Minors |
| 4/28 | Nate Adcock | P | Called Up from Minors |
| 4/27 | Jarrod Dyson | CF | Called Up from Minors |
| 4/27 | Jason Bourgeois | CF | Sent to Minors |
| 4/25 | Jeremy Jeffress | P | Sent to Minors |
| 4/25 | Tommy Hottovy | P | Purchased From Minors |
| 4/25 | Lorenzo Cain | CF | Recalled From Minors, Rehab Assignment |
| 4/25 | Felipe Paulino | P | Sent to Minors, For Rehabilitation |
| 4/22 | Lorenzo Cain | CF | Sent to Minors, For Rehabilitation |
| 4/21 | Jeremy Jeffress | P | Called Up from Minors |
| 4/21 | Greg Holland | P | Placed on 15-Day DL, (Stress reaction, left ribcage area) |
| 4/15 | Louis Coleman | P | Called Up from Minors |
| 4/15 | Jarrod Dyson | CF | Sent to Minors |
| 4/12 | Jarrod Dyson | CF | Called Up from Minors |
| 4/12 | Lorenzo Cain | CF | Placed on 15-Day DL, (Strained left groin) |
| 4/4 | Sean O'Sullivan | P | Outrighted to Minors |
| 4/4 | Felipe Paulino | P | Placed on 15-Day DL, (Right forearm tightness) |
| 4/4 | Joakim Soria | P | Placed on 15-Day DL, (Right elbow surgery - out for season) |
| 4/4 | Blake Wood | P | Placed on 15-Day DL, (Nerve irritation, right elbow) |
| 3/30 | Alex Gordon | LF | Signed, ( 2012-2015; Opt 2016)(four-year contract extension) |
| 3/29 | Louis Coleman | P | Sent to Minors |
| 3/29 | Jeremy Jeffress | P | Sent to Minors |
| 3/25 | Jarrod Dyson | CF | Sent to Minors |
| 3/25 | Johnny Giavotella | 2B | Sent to Minors |
| 3/25 | Vin Mazzaro | P | Sent to Minors |
| 3/20 | Jason Bourgeois | CF | Traded From, Houston (for LHP Kevin Chapman, four-player deal) |
| 3/20 | Salvador Perez | C | Placed on 60-Day DL, (Torn lateral meniscus, left knee) |
| 3/20 | Manny Pina | C | Placed on 60-Day DL, (Torn meniscus, right knee) |
| 3/20 | Humberto Quintero | C | Traded From, Houston (for LHP Kevin Chapman, four-player deal) |
| 3/15 | Alcides Escobar | SS | Signed, ( 2012-2015; Opt 2016-2017)(four-year restructured contract) |
| 3/15 | Nate Adcock | P | Sent to Minors |
| 2/27 | Salvador Perez | C | Signed, ( 2012-2016; Opt 2017-2019)(five-year restructured contract) |
| 2/24 | Alcides Escobar | PH | Signed, ( 2012)(avoids arbitration) |
| 2/24 | Johnny Giavotella | PH | Signed, ( 2012)(avoids arbitration) |
| 2/9 | Alex Gordon | LF | Signed, ( 2012)(avoids arbitration) |
| 1/25 | Roman Colon | Signed to a Minor League Contract | |
| 1/17 | Jonathan Sanchez | P | Signed, ( 2012)(avoids arbitration) |
| 1/17 | Felipe Paulino | P | Signed, ( 2012)(avoids arbitration) |
| 1/17 | Mitch Maier | PH | Signed, ( 2012)(avoids arbitration) |
| 1/17 | Luke Hochevar | P | Signed, ( 2012)(avoids arbitration) |
| 1/16 | Brayan Pena | PH | Signed, ( 2012)(avoids arbitration) |
| 1/16 | Chris Getz | 2B | Signed, ( 2012)(avoids arbitration) |
| 1/14 | Kevin Kouzmanoff | PH | Signed to a Minor League Contract |
| 12/21 | Jose Mijares | P | Signed as Free Agent, ( 2012)(one-year contract) |
| 12/20 | Yuniesky Betancourt | SS | Signed as Free Agent, ( 2012)(one-year contract) |
| 12/13 | Max Ramirez | Signed to a Minor League Contract | |
| 12/13 | Juan Gutierrez | P | Signed to a Minor League Contract |
| 12/12 | Aaron Laffey | P | Not Offered Contract and Became Free Agent, (non-tendered) |
| 12/1 | Tony Abreu | SS | Signed to a Minor League Contract |
| 11/30 | Jonathan Broxton | P | Signed as Free Agent, ( 2012)(one-year contract) |
| 11/29 | Bruce Chen | P | Signed as Free Agent, ( 2012-2013)(two-year contract) |
| More Transactions | |||
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