| | | Sunday, December 30th, 2012 | | Signed free agent MR Michael Pruitt to a 1-year contract worth a total of $1,000,000. |
| Monday, December 17th, 2012 | | Drafted SP Sakutaro Eida in the 2012 first-year player draft (Round 1, Pick 10, 10th overall pick). | | Drafted 3B Akinori Rin in the 2012 first-year player draft (Round 2, Pick 10, 34th overall pick). | | Drafted SP Jordan Johnstone in the 2012 first-year player draft (Round 3, Pick 10, 58th overall pick). | | Demoted SS Brendan Mullins to Triple A Philadelphia. | | Demoted 2B Al Mitchell to Double A New York. | | Demoted 2B Wendell Mason to Triple A Philadelphia. | | Drafted C Taizo Kikuchi in the 2012 first-year player draft (Round 4, Pick 10, 82nd overall pick). | | Drafted SP Akihito Hayagawa in the 2012 first-year player draft (Round 5, Pick 10, 106th overall pick). | | Drafted RF Jonah Feightner in the 2012 first-year player draft (Round 6, Pick 10, 130th overall pick). | | Drafted SP François Antoine in the 2012 first-year player draft (Round 7, Pick 10, 154th overall pick). | | Drafted 3B Kiyohisa Terada in the 2012 first-year player draft (Round 8, Pick 10, 178th overall pick). | | Drafted SP Kiminobu Takahashi in the 2012 first-year player draft (Round 9, Pick 10, 202nd overall pick). | | Drafted SS Kenzaburo Ito in the 2012 first-year player draft (Round 10, Pick 10, 226th overall pick). | | Drafted SP Carter Brunt in the 2012 first-year player draft (Round 11, Pick 10, 250th overall pick). | | Drafted 2B Naizen Hayashi in the 2012 first-year player draft (Round 12, Pick 10, 274th overall pick). |
| Sunday, December 2nd, 2012 | | SS Brendan Mullins was designated for assignment and placed on waivers. | | 2B Wendell Mason was designated for assignment and placed on waivers. | | 2B Al Mitchell was designated for assignment and placed on waivers. | | C Roland Mackey was designated for assignment and placed on waivers. |
| Wednesday, November 21st, 2012 | | MR Dustin Chapman received a 1-year contract through automatic renewal worth a total of $510,000. | | 2B Bill Flynn received a 1-year contract through automatic renewal worth a total of $510,000. | | SS Bill Parker received a 1-year contract through automatic renewal worth a total of $510,000. | | CL Johnathan Curry received a 1-year contract through automatic renewal worth a total of $510,000. | | SS Brendan Mullins received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Mike Harmon received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Kevin Sampson received a 1-year contract through automatic renewal worth a total of $510,000. | | LF John Woodard received a 1-year contract through automatic renewal worth a total of $510,000. | | RF Stan Cheslin received a 1-year contract through automatic renewal worth a total of $510,000. | | 2B Al Mitchell received a 1-year contract through automatic renewal worth a total of $510,000. | | CF Cory Brown received a 1-year contract through automatic renewal worth a total of $510,000. | | SS Elijah Goodwin received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Jon Andrews received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Ricky Smith received a 1-year contract through automatic renewal worth a total of $510,000. | | CL Dorian Cox received a 1-year contract through automatic renewal worth a total of $500,000. | | C Allen Larsen received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Millard Marsh received a 1-year contract through automatic renewal worth a total of $500,000. | | SP Gerald Spivey received a 1-year contract through automatic renewal worth a total of $510,000. | | 3B Roger Bell received a 1-year contract through automatic renewal worth a total of $510,000. | | CF Earl Stanley becomes a free-agent. | | LF Marty Kline becomes a free-agent. |
| Sunday, November 18th, 2012 | | MR Adam Payne received a 1-year contract through arbitration worth a total of $750,000. | | C Johnny Graham received a 1-year contract through arbitration worth a total of $6,025,000. | | MR John Jones received a 1-year contract through arbitration worth a total of $750,000. |
| Thursday, November 8th, 2012 | | Signed SP Dawson Chase to a minor league contract extension. |
| Wednesday, November 7th, 2012 | | Signed MR Mark Fults to a minor league contract extension. | | Signed SP Harry King to a minor league contract extension. | | Signed SP Malcolm McKinney to a minor league contract extension. |
| Sunday, October 28th, 2012 | | Released 3B Bob Knight. |
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