| | | Monday, December 17th, 2012 | | Drafted SP Yataro Kobayashi in the 2012 first-year player draft (Round 1, Pick 6, 6th overall pick). | | Drafted 1B Shane Cooke in the 2012 first-year player draft (Round 2, Pick 6, 30th overall pick). | | Drafted SP Gabriel Phipps in the 2012 first-year player draft (Round 3, Pick 6, 54th overall pick). | | Drafted 3B Hitoshi Sanu in the 2012 first-year player draft (Round 4, Pick 6, 78th overall pick). | | Drafted RF Yoshimochi Kurihara in the 2012 first-year player draft (Round 5, Pick 6, 102nd overall pick). | | Drafted SP Jason Gates in the 2012 first-year player draft (Round 6, Pick 6, 126th overall pick). | | Drafted 1B Tatsuzo Kamida in the 2012 first-year player draft (Round 7, Pick 6, 150th overall pick). | | Drafted SP Carlos Sáenz in the 2012 first-year player draft (Round 8, Pick 6, 174th overall pick). | | Drafted 1B Jerry Allen in the 2012 first-year player draft (Round 9, Pick 6, 198th overall pick). | | Drafted SP Takanibu Nakamura in the 2012 first-year player draft (Round 10, Pick 6, 222nd overall pick). | | Drafted 3B John McFarlen in the 2012 first-year player draft (Round 11, Pick 6, 246th overall pick). | | Drafted CF John Nolan in the 2012 first-year player draft (Round 12, Pick 6, 270th overall pick). |
| Wednesday, December 12th, 2012 | | Signed free agent MR Alberto Freitas to a minor league contract. |
| Saturday, December 1st, 2012 | | Placed RF Zak English on the 40-man roster. |
| Wednesday, November 21st, 2012 | | SP Aurelio Ramírez received a 1-year contract through automatic renewal worth a total of $510,000. | | C Francisco Solano received a 1-year contract through automatic renewal worth a total of $510,000. | | SP David Cole received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Ángel Galindo received a 1-year contract through automatic renewal worth a total of $500,000. | | SP Rosendo Hernández becomes a free-agent. | | LF Bo Hall received a 1-year contract through automatic renewal worth a total of $510,000. | | CL Mike Riley received a 1-year contract through automatic renewal worth a total of $510,000. | | MR António Aguirre received a 1-year contract through automatic renewal worth a total of $510,000. | | C Craig Wall received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Chip Wolfe received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Tom Bray received a 1-year contract through automatic renewal worth a total of $500,000. | | SS Martin Bryan received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Doug Smith received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Pancho López becomes a free-agent. | | CL Ramiro Ortega received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Carl Jacobsen received a 1-year contract through automatic renewal worth a total of $500,000. | | RF Miguel Pérez received a 1-year contract through automatic renewal worth a total of $500,000. | | CF Steve James received a 1-year contract through automatic renewal worth a total of $500,000. | | SS Thurman Bowen received a 1-year contract through automatic renewal worth a total of $500,000. | | 2B Lynn Berry received a 1-year contract through automatic renewal worth a total of $500,000. | | CF Lawrence Buchanan received a 1-year contract through automatic renewal worth a total of $510,000. | | RF Justin Wallace received a 1-year contract through automatic renewal worth a total of $510,000. | | 1B Doug King received a 1-year contract through automatic renewal worth a total of $500,000. | | SS Jim Mason received a 1-year contract through automatic renewal worth a total of $510,000. | | RF Carroll Brown becomes a free-agent. | | RF Jesse Humphrey becomes a free-agent. | | LF David Bingham becomes a free-agent. |
| Monday, November 19th, 2012 | | Placed CL Mike Riley on the 40-man roster. | | Placed CL Mike Riley on the active roster. | | Activated CL Mike Riley from the 60-day disabled list. |
| Sunday, November 18th, 2012 | | CL Ánibal Machado received a 1-year contract through arbitration worth a total of $4,250,000. | | MR Jarrod Randolph received a 1-year contract through arbitration worth a total of $750,000. | | SP Dimitrie Serban received a 1-year contract through arbitration worth a total of $1,870,000. | | MR Gene Cooper received a 1-year contract through arbitration worth a total of $935,000. |
| Friday, November 16th, 2012 | | Signed hitting coach Steve Fox to a 1-year, $150,000 per year contract. |
| Sunday, October 28th, 2012 | | Hitting Coach Bobby Carter leaves the team, his contract was not renewed. |
|
|
