| | | Sunday, December 29th, 2013 | | Signed free agent MR Arnie West to a 2-year contract worth a total of $2,980,000. |
| Thursday, December 26th, 2013 | | Signed Harley Fisher to a minor league contract with a signing bonus of $200,000. |
| Tuesday, December 24th, 2013 | | Signed Frank Wider to a minor league contract with a signing bonus of $120,000. |
| Monday, December 23rd, 2013 | | Signed José Contreras to a minor league contract with a signing bonus of $100,000. |
| Saturday, December 21st, 2013 | | Signed Scott Elliott to a minor league contract with a signing bonus of $341,000. |
| Tuesday, December 17th, 2013 | | Placed CL Manuel Marroquín on the 60-day disabled list. |
| Thursday, November 21st, 2013 | | RF Lorenzo Rodríguez received a 1-year contract through automatic renewal worth a total of $510,000. | | 3B Javier García received a 1-year contract through automatic renewal worth a total of $510,000. | | MR Todd Johnson received a 1-year contract through automatic renewal worth a total of $500,000. | | C Michael Frost received a 1-year contract through automatic renewal worth a total of $510,000. | | SS Jeffrey Coffman received a 1-year contract through automatic renewal worth a total of $510,000. | | SP Adrián Carne received a 1-year contract through automatic renewal worth a total of $510,000. | | RF Stu Barnes received a 1-year contract through automatic renewal worth a total of $510,000. | | 1B Brooks Davis received a 1-year contract through automatic renewal worth a total of $510,000. | | 3B Rubén Ruíz received a 1-year contract through automatic renewal worth a total of $510,000. | | CL Jeremy Woods received a 1-year contract through automatic renewal worth a total of $500,000. | | SP Scott Gorman received a 1-year contract through automatic renewal worth a total of $500,000. | | 3B Michael Meyer received a 1-year contract through automatic renewal worth a total of $500,000. | | MR John Stonard received a 1-year contract through automatic renewal worth a total of $500,000. | | C Lloyd Christopher received a 1-year contract through automatic renewal worth a total of $500,000. |
| Monday, November 18th, 2013 | | CF Tommy Shaffer received a 1-year contract through arbitration worth a total of $1,800,000. | | MR Chase Burke received a 1-year contract through arbitration worth a total of $2,200,000. | | 2B Ki-moon Pak received a 1-year contract through arbitration worth a total of $5,000,000. | | CL Manuel Marroquín received a 1-year contract through arbitration worth a total of $1,000,000. | | SP Miguel Alvarado received a 1-year contract through arbitration worth a total of $750,000. | | MR Henry McLean received a 1-year contract through arbitration worth a total of $750,000. |
| Friday, November 15th, 2013 | | RF Matt Krause was designated for assignment and placed on waivers. | | C Joe Cote was designated for assignment and placed on waivers. | | CF Walt Edwards was designated for assignment and placed on waivers. | | SP Miguel Alvarado was designated for assignment and placed on waivers. | | Placed CL Manuel Marroquín on the active roster. | | Activated CL Manuel Marroquín from the 60-day disabled list. |
| Friday, November 1st, 2013 | | Signed CF Héctor Ramírez to a 3-year contract extension worth a total of $27,870,000. |
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