| | | Tuesday, December 31st, 2013 | | Signed free agent C Tomás Cerda to a minor league contract. |
| Saturday, December 28th, 2013 | | Signed free agent SS Earl Cook to a 2-year contract worth a total of $6,000,000. |
| Tuesday, December 24th, 2013 | | Signed free agent C Nick Parks to a 3-year contract worth a total of $8,000,000. | | Signed Dan Bowman to a minor league contract with a signing bonus of $500,000. |
| Monday, December 23rd, 2013 | | Signed free agent RF Pablo López to a minor league contract. |
| Sunday, December 22nd, 2013 | | Signed Kurt Rice to a minor league contract with a signing bonus of $4,000,000. |
| Saturday, December 21st, 2013 | | Signed Ricardo Sepúlveda to a minor league contract with a signing bonus of $300,000. |
| Tuesday, December 17th, 2013 | | Drafted SP Kurt Rice in the 2013 first-year player draft (Round 1, Pick 7, 7th overall pick). | | Drafted CL Dan Bowman in the 2013 first-year player draft (Round 2, Pick 7, 32nd overall pick). | | Drafted RF Ron Johnson in the 2013 first-year player draft (Round 3, Pick 7, 56th overall pick). | | Drafted 1B Tashiaki Tanaka in the 2013 first-year player draft (Round 4, Pick 7, 80th overall pick). | | Drafted SP Ricardo Sepúlveda in the 2013 first-year player draft (Round 5, Pick 7, 104th overall pick). | | Drafted CF Tyler Troke in the 2013 first-year player draft (Round 6, Pick 7, 128th overall pick). | | Drafted SP Will Harden in the 2013 first-year player draft (Round 7, Pick 7, 152nd overall pick). | | Drafted 1B Masayuki Miyata in the 2013 first-year player draft (Round 8, Pick 7, 176th overall pick). | | Drafted RF Hoshi Abe in the 2013 first-year player draft (Round 9, Pick 7, 200th overall pick). | | Drafted RF Toshikazu Kaneko in the 2013 first-year player draft (Round 10, Pick 7, 224th overall pick). | | Drafted C Katsuyoshi Tenno in the 2013 first-year player draft (Round 11, Pick 7, 248th overall pick). | | Drafted 1B Kojuro Abe in the 2013 first-year player draft (Round 12, Pick 7, 272nd overall pick). |
| Sunday, December 15th, 2013 | | Signed SP Ronald Appleby to a 4-year contract extension worth a total of $4,400,000. |
| Thursday, December 12th, 2013 | | Signed free agent SP Walter Kos to a minor league contract. |
| Sunday, December 8th, 2013 | | Signed free agent 1B Billy Bishop to a minor league contract. | | Signed free agent LF Ethan Maddox to a minor league contract. | | Signed free agent 3B Sergio Francisco to a minor league contract. | | Signed free agent 2B Héctor Vásquez to a minor league contract. |
| Thursday, December 5th, 2013 | | Signed free agent C Tanyu Suzuki to a minor league contract. |
| Thursday, November 28th, 2013 | | Signed free agent MR Kevin Black to a 2-year contract worth a total of $2,000,000. |
| Thursday, November 21st, 2013 | | 2B Steve Lewis received a 1-year contract through automatic renewal worth a total of $510,000. | | CL Henry Grant becomes a free-agent. | | SS Jeff Davis received a 1-year contract through automatic renewal worth a total of $510,000. | | 3B Wilson Anaya becomes a free-agent. | | SP Ronald Appleby received a 1-year contract through automatic renewal worth a total of $510,000. | | LF Colt Smith received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Jason Hawkins received a 1-year contract through automatic renewal worth a total of $510,000. | | 2B James Bush becomes a free-agent. | | 1B Charles McConnell becomes a free-agent. |
| Wednesday, November 20th, 2013 | | DH Jesse Hawkins was designated for assignment and placed on waivers. | | SP Rusty Bell was designated for assignment and placed on waivers. |
| Sunday, November 3rd, 2013 | | Signed Scouting Director Raúl Fernández to a 4-year contract extension. |
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