| Last updated: Sat, May 18, 2013, 14:51 EDT |
| Date | Player | Pos. | Transaction |
| 5/18 | Brett Pill | 1B | Sent to Minors |
| 5/18 | Jean Machi | P | Called Up from Minors |
| 5/14 | Brett Pill | 1B | Called Up from Minors |
| 5/12 | Francisco Peguero | LF | Sent to Minors |
| 5/7 | Jose Mijares | P | Reinstated From Restricted List |
| 5/7 | Jean Machi | P | Sent to Minors |
| 5/6 | Jose Mijares | P | Placed on Restricted List |
| 5/6 | Jose Mijares | P | Reinstated from Bereavement/Family Medical Emergency List |
| 5/3 | Jeremy Affeldt | P | Removed From 15-Day DL, (Strained right oblique) |
| 5/3 | Hector Sanchez | C | Sent to Minors |
| 5/3 | Tony Abreu | 2B | Sent to Minors, For Rehabilitation |
| 5/3 | Francisco Peguero | LF | Called Up from Minors |
| 5/1 | Sandy Rosario | P | Sent to Minors |
| 4/29 | Sandy Rosario | P | Called Up from Minors |
| 4/29 | Jose Mijares | P | Placed on Bereavement/Family Medical Emergency List |
| 4/17 | Jean Machi | P | Called Up from Minors |
| 4/17 | Jeremy Affeldt | P | Placed on 15-Day DL, (Strained right oblique) |
| 4/15 | Brett Pill | 1B | Sent to Minors |
| 4/15 | Brett Pill | 1B | Removed From 15-Day DL, (Recovery from minor knee surgery) |
| 4/15 | Brett Pill | 1B | Recalled From Minors, Rehab Assignment |
| 4/4 | Brett Pill | 1B | Sent to Minors, For Rehabilitation |
| 3/30 | Guillermo Quiroz | C | Purchased From Minors |
| 3/30 | Tony Abreu | 2B | Placed on 15-Day DL, (Left knee strain) |
| 3/30 | Jean Machi | P | Sent to Minors |
| 3/30 | Eric Surkamp | P | Placed on 15-Day DL, (Recovery from left elbow surgery) |
| 3/30 | Francisco Peguero | LF | Sent to Minors |
| 3/30 | Brett Pill | 1B | Placed on 15-Day DL, (Recovery from minor knee surgery) |
| 3/29 | Buster Posey | C | Signed, ( 2014-2021; Opt 2022)(eight-year extension) |
| 3/28 | Ramon Ramirez | P | Signed to a Minor League Contract |
| 3/26 | Chad Gaudin | P | Purchased From Minors |
| 3/26 | Dan Otero | P | Called Up from Minors, - Not to Report |
| 3/24 | Dan Runzler | P | Sent to Minors |
| 3/22 | Ramon Ramirez | P | Released |
| 3/17 | Yusmeiro Petit | P | Outrighted to Minors |
| 3/15 | Dan Otero | P | Sent to Minors |
| 3/15 | Sandy Rosario | P | Sent to Minors |
| 2/6 | Sergio Romo | P | Signed, ( 2013-2014)(two-year contract, avoids arbitration) |
| 2/5 | Ramon Ramirez | P | Signed to a Minor League Contract |
| 2/4 | Tony Abreu | 2B | Acquired Off Waivers From, Kansas City |
| 1/25 | Joaquin Arias | SS | Signed, ( 2013)(avoids arbitration) |
| 1/18 | Hunter Pence | RF | Signed, ( 2013)(avoids arbitration) |
| 1/18 | Buster Posey | C | Signed, ( 2013)(avoids arbitration) |
| 1/18 | Gregor Blanco | RF | Signed, ( 2013)(avoids arbitration) |
| 1/17 | Jose Mijares | P | Signed, ( 2013)(avoids arbitration) |
| 1/10 | Eric Hacker | P | Signed to Play in Korea, (NC Dinos) |
| 1/10 | Mason Tobin | P | Signed to a Minor League Contract |
| 1/2 | Scott Proctor | P | Signed to a Minor League Contract |
| 12/21 | Cole Gillespie | LF | Signed to a Minor League Contract |
| 12/21 | Sandy Rosario | P | Acquired Off Waivers From, Chi. Cubs |
| 12/18 | Andres Torres | CF | Signed as Free Agent, ( 2013)(one-year contract) |
| 12/18 | Wilson Valdez | SS | Signed to a Minor League Contract |
| 12/18 | Santiago Casilla | P | Signed, ( 2013-2015)(three-year contract, avoids arbitration) |
| 12/14 | Ryan Sadowski | P | Signed to a Minor League Contract |
| 12/14 | Shane Loux | P | Signed to a Minor League Contract |
| 12/14 | Jon Meloan | P | Signed to a Minor League Contract |
| 12/13 | Chad Gaudin | P | Signed to a Minor League Contract |
| 12/10 | Marco Scutaro | 2B | Signed as Free Agent, ( 2013-2015)(three-year contract) |
| 12/10 | Angel Pagan | CF | Signed as Free Agent, ( 2013-2016)(four-year contract) |
| 12/4 | Angel Pagan | CF | Signed as Free Agent, ( 2013-2016)(four-year contract) |
| 12/4 | Marco Scutaro | 2B | Signed as Free Agent, ( 2013-2015)(three-year contract) |
| 11/30 | Brian Wilson | P | Not Offered Contract and Became Free Agent, (non-tendered) |
| 11/26 | Guillermo Quiroz | C | Signed to a Minor League Contract |
| 11/23 | Eric Hacker | P | Signed to a Minor League Contract |
| 11/22 | Fabio Castro | P | Signed to a Minor League Contract |
| More Transactions |
