| | | Thursday, September 19th, 2013 | | Signed CL Pedro Díaz to a 2-year contract extension worth a total of $20,160,000. |
| Wednesday, August 14th, 2013 | | Failed to sign supplemental 1st round draft pick Trevor Melanson. | | Failed to sign 5th round draft pick Allen Moody. |
| Monday, July 29th, 2013 | | SP Miguel Herrera was designated for assignment and placed on waivers. | | Purchased the contract of SP Aaron Ray from Triple A Stockton. |
| Monday, June 24th, 2013 | | Placed 2B Ian Robertson on the 60-day disabled list. | | Placed CF Jude Boyd on the active roster. | | Activated CF Jude Boyd from the disabled list. |
| Sunday, June 23rd, 2013 | | Signed Roberto Flores to a minor league contract with a signing bonus of $570,000. |
| Saturday, June 22nd, 2013 | | Signed José Lupe' to a minor league contract with a signing bonus of $2,380,000. | | Signed Rubén Rosa to a minor league contract with a signing bonus of $310,000. |
| Sunday, June 16th, 2013 | | Signed Ignacio Lichinchi to a minor league contract with a signing bonus of $1,320,000. | | Signed David Harper to a minor league contract with a signing bonus of $220,000. |
| Saturday, June 8th, 2013 | | Signed MR John Boudreau to a 1-year contract extension worth a total of $800,000. |
| Sunday, November 18th, 2012 | | RF Pedro Brito received a 1-year contract through automatic renewal worth a total of $400,000. | | SS Harvey Ferreira received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Alberto López received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Tony Gómez received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Jude Boyd received a 1-year contract through automatic renewal worth a total of $400,000. | | C Pedro Rosas received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Vernon Atkinson received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Trevor Staitie received a 1-year contract through automatic renewal worth a total of $400,000. | | CL Luis Vázquez received a 1-year contract through automatic renewal worth a total of $400,000. | | 1B Nick Daniels received a 1-year contract through automatic renewal worth a total of $400,000. | | C Jerry Cox received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Marty Davis received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Earl Phelps becomes a free-agent. | | SP Aaron Ray received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Raúl Trevino received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Sam Turner received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Lorenzo Álvarez received a 1-year contract through automatic renewal worth a total of $400,000. |
| Thursday, November 15th, 2012 | | LF Júlio Ordóñez received a 1-year contract through arbitration worth a total of $11,000,000. | | 1B Manny Núñez received a 1-year contract through arbitration worth a total of $7,000,000. | | 3B Bruno Hodge received a 1-year contract through arbitration worth a total of $2,600,000. | | 2B Ian Robertson received a 1-year contract through arbitration worth a total of $600,000. | | MR John Dawson received a 1-year contract through arbitration worth a total of $2,000,000. | | SP Alfredo Gómez received a 1-year contract through arbitration worth a total of $2,200,000. | | SP Juan Leyva received a 1-year contract through arbitration worth a total of $600,000. | | MR John Boudreau received a 1-year contract through arbitration worth a total of $600,000. | | SS Pedro Pérez received a 1-year contract through arbitration worth a total of $600,000. |
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