| Last updated: Sat, May 26, 2012, 17:46 EDT | |||
| Date | Player | Pos. | Transaction |
| 5/25 | Jerry Hairston Jr. | 3B | Recalled From Minors, Rehab Assignment |
| 5/25 | Jerry Hairston Jr. | 3B | Removed From 15-Day DL, (Left hamstring strain) |
| 5/25 | Justin Sellers | SS | Placed on 15-Day DL, (Bulging disc in lower back) |
| 5/23 | Jerry Hairston Jr. | 3B | Sent to Minors, For Rehabilitation |
| 5/19 | Mark Ellis | 2B | Placed on 15-Day DL, (Sprained left knee) |
| 5/19 | Ivan De Jesus | 2B | Called Up from Minors |
| 5/17 | Trent Oeltjen | LF | Outrighted to Minors |
| 5/15 | Jerry Sands | LF | Called Up from Minors |
| 5/15 | Matt Kemp | CF | Placed on 15-Day DL, (Strained left hamstring) |
| 5/14 | Elian Herrera | 3B | Purchased From Minors |
| 5/14 | Juan Uribe | 3B | Placed on 15-Day DL, (Left wrist injury) |
| 5/14 | Trent Oeltjen | LF | Designated for Assignment |
| 5/13 | Mike MacDougal | P | Cleared Waivers and Became a Free Agent |
| 5/11 | Aaron Miles | 2B | Signed to a Minor League Contract |
| 5/11 | Mike MacDougal | P | Released |
| 5/11 | Justin Sellers | SS | Called Up from Minors |
| 5/11 | Jerry Hairston Jr. | 3B | Placed on 15-Day DL, (Left hamstring strain) |
| 5/9 | Juan Rivera | LF | Placed on 15-Day DL, (Ruptured left hamstring) |
| 5/9 | Scott Van Slyke | LF | Called Up from Minors |
| 5/6 | Ivan De Jesus | 2B | Recalled From Minors, Rehab Assignment |
| 5/6 | Ivan De Jesus | 2B | Sent to Minors |
| 5/6 | Ivan De Jesus | 2B | Removed From 15-Day DL, (Strained left oblique) |
| 5/4 | Bobby Abreu | RF | Signed as Free Agent, ( 2012)(one-year contract) |
| 5/4 | Justin Sellers | SS | Sent to Minors |
| 5/3 | Ronald Belisario | P | Recalled From Minors, Rehab Assignment |
| 5/3 | Ronald Belisario | P | Reinstated from Illegal Substance Suspension |
| 5/3 | Ivan De Jesus | 2B | Sent to Minors, For Rehabilitation |
| 5/3 | Mike MacDougal | P | Designated for Assignment |
| 4/30 | Todd Coffey | P | Recalled From Minors, Rehab Assignment |
| 4/30 | Todd Coffey | P | Removed From 15-Day DL, (Right knee inflammation) |
| 4/29 | Nathan Eovaldi | P | Sent to Minors |
| 4/27 | Michael Antonini | P | Sent to Minors |
| 4/27 | Nathan Eovaldi | P | Called Up from Minors |
| 4/25 | Ronald Belisario | P | Sent to Minors, For Rehabilitation |
| 4/25 | Todd Coffey | P | Sent to Minors, For Rehabilitation |
| 4/24 | Matt Guerrier | P | Placed on 15-Day DL, (Right elbow tendinitis) |
| 4/24 | Michael Antonini | P | Called Up from Minors |
| 4/14 | Todd Coffey | P | Placed on 15-Day DL, (Right knee inflammation) |
| 4/14 | Ted Lilly | P | Recalled From Minors, Rehab Assignment |
| 4/14 | Ted Lilly | P | Removed From 15-Day DL, (Recurring neck stiffness) |
| 4/8 | Ted Lilly | P | Sent to Minors, For Rehabilitation |
| 4/8 | Carlos Monasterios | P | Released |
| 4/4 | Matt Angle | CF | Sent to Minors |
| 4/4 | Ronald Belisario | P | Placed on Restricted List |
| 4/4 | Ivan De Jesus | 2B | Placed on 15-Day DL, (Strained left oblique) |
| 4/4 | Nathan Eovaldi | P | Sent to Minors |
| 4/4 | Tim Federowicz | C | Sent to Minors |
| 4/4 | Ted Lilly | P | Placed on 15-Day DL, (Recurring neck stiffness) |
| 3/31 | Trent Oeltjen | LF | Sent to Minors |
| 3/30 | Ramon Troncoso | P | Outrighted to Minors |
| 3/29 | Cory Sullivan | LF | Released |
| 3/29 | Josh Bard | C | Released |
| 3/28 | Ian Snell | P | Released |
| 3/27 | Jerry Sands | LF | Sent to Minors |
| 3/27 | Jamey Wright | P | Purchased From Minors |
| 3/27 | Blake Hawksworth | P | Placed on 60-Day DL, (Recovery from right elbow surgery) |
| 3/26 | John Grabow | P | Released |
| 3/22 | Ronald Belisario | P | Reinstated From Restricted List |
| 3/22 | Ramon Troncoso | P | Designated for Assignment |
| 3/18 | Alberto Castillo | P | Released |
| 2/23 | Matt Angle | PH | Acquired Off Waivers From, Baltimore |
| 2/23 | Rubby De La Rosa | P | Placed on 60-Day DL, (Recovery from right elbow surgery) |
| 2/22 | Brent Leach | Signed to a Minor League Contract | |
| 2/10 | Russ Mitchell | PH | Outrighted to Minors |
| 2/9 | Andrew Sisco | Signed to a Minor League Contract | |
| 2/8 | Russ Mitchell | PH | Designated for Assignment |
| 2/8 | Todd Coffey | P | Signed as Free Agent, ( 2012; Opt 2013)(one-year contract) |
| 2/7 | Clayton Kershaw | P | Signed, ( 2012-2013)(two-year contract, avoids arbitration) |
| 2/7 | Jamey Wright | P | Signed to a Minor League Contract |
| 1/31 | Chris Pettit | PH | Signed to a Minor League Contract |
| 1/17 | James Loney | 1B | Signed, ( 2012)(avoids arbitration) |
| 1/17 | Andre Ethier | RF | Signed, ( 2012)(avoids arbitration) |
| 1/9 | Mike MacDougal | P | Signed as Free Agent, ( 2012; Opt 2013)(one-year contract) |
| 1/5 | Mike MacDougal | P | Signed as Free Agent, ( 2012; Opt 2013)(one-year contract) |
| 1/4 | Josh Fields | Signed to a Minor League Contract | |
| 12/21 | Ronald Belisario | Suspension Announced By League, (25 games for drug of abuse) | |
| 12/19 | John Grabow | P | Signed to a Minor League Contract |
| 12/13 | Jose Ascanio | P | Signed to a Minor League Contract |
| 12/13 | Fernando Nieve | Signed to a Minor League Contract | |
| 12/13 | Josh Bard | PH | Signed to a Minor League Contract |
| 12/13 | Alberto Castillo | P | Signed to a Minor League Contract |
| 12/13 | Matt Chico | Signed to a Minor League Contract | |
| 12/13 | Angel Guzman | Signed to a Minor League Contract | |
| 12/13 | Aaron Harang | P | Signed as Free Agent, ( 2012-2013; Opt 2014)(two-year contract) |
| 12/13 | Shane Lindsay | P | Signed to a Minor League Contract |
| 12/13 | Ryan Tucker | P | Signed to a Minor League Contract |
| 12/13 | Jeff Baisley | Signed to a Minor League Contract | |
| 12/13 | Cory Sullivan | Signed to a Minor League Contract | |
| 12/12 | Tony Gwynn Jr. | LF | Signed, ( 2012-2013)(two-year contract, avoids arbitration) |
| 12/12 | Hong-Chih Kuo | P | Not Offered Contract and Became Free Agent, (non-tendered) |
| 12/8 | Aaron Harang | P | Signed as Free Agent, ( 2012-2013; Opt 2014)(two-year contract) |
| 12/5 | Jerry Hairston Jr. | 2B | Signed as Free Agent, ( 2012-2013)(two-year contract) |
| 12/2 | Chris Capuano | P | Signed as Free Agent, ( 2012-2013; Opt 2014)(two-year contract) |
| 11/30 | Adam Kennedy | 2B | Signed as Free Agent, ( 2012)(one-year contract) |
| More Transactions | |||