| | | Monday, September 21st, 2015 | | Placed 2B Ken Gaston on the 15-day disabled list. |
| Tuesday, September 8th, 2015 | | Placed 2B Kevin Rohan on the active roster. | | Activated 2B Kevin Rohan from the disabled list. |
| Sunday, September 6th, 2015 | | Signed SP Greg Thomas to a 2-year contract extension worth a total of $22,420,000. |
| Friday, September 4th, 2015 | | Placed SS Don Auten on the 15-day disabled list. |
| Thursday, August 20th, 2015 | | MR Paco Díaz was designated for assignment and placed on waivers. | | Placed C Larry Johnson on the active roster. | | Activated C Larry Johnson from the disabled list. |
| Saturday, August 8th, 2015 | | MR Paco Díaz was designated for assignment and placed on waivers. | | Purchased the contract of MR Enrique Díaz from Triple A Stonewood. |
| Monday, July 27th, 2015 | | Signed C Larry Johnson to a 1-year contract extension worth a total of $8,500,000. |
| Wednesday, June 24th, 2015 | | Signed Quincy Rutledge to a minor league contract with a signing bonus of $180,000. |
| Friday, June 19th, 2015 | | Signed Pedro Oroz to a minor league contract with a signing bonus of $380,000. |
| Thursday, June 18th, 2015 | | Signed Alex Mullins to a minor league contract with a signing bonus of $1,240,000. |
| Tuesday, December 9th, 2014 | | Signed SP Jofet Mialheiro to a 4-year contract extension worth a total of $42,800,000. |
| Tuesday, November 18th, 2014 | | 3B Zong-yuan Feng becomes a free-agent. | | LF Michael Parker received a 1-year contract through automatic renewal worth a total of $400,000. | | RF Júlio Prado received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Brendan Underwood received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Mario Martínez received a 1-year contract through automatic renewal worth a total of $400,000. | | C Armando Cervantes received a 1-year contract through automatic renewal worth a total of $400,000. | | Placed CL Eddie Folkard on the active roster. | | Activated CL Eddie Folkard from the 60-day disabled list. | | Demoted 2B Wen Der to Triple A Stonewood. | | Purchased the contract of 3B Brian Taylor from Triple A Stonewood. |
| Saturday, November 15th, 2014 | | CF Raúl Medina received a 1-year contract through arbitration worth a total of $4,800,000. | | 2B Brian Tucker received a 1-year contract through arbitration worth a total of $600,000. | | MR Raoul Pieterse received a 1-year contract through arbitration worth a total of $900,000. | | 3B Guy Allard received a 1-year contract through arbitration worth a total of $10,500,000. | | 1B Eduardo Venet received a 1-year contract through arbitration worth a total of $2,681,500. | | C Larry Johnson received a 1-year contract through arbitration worth a total of $8,000,000. | | CL Eddie Folkard received a 1-year contract through arbitration worth a total of $3,000,000. | | SS Don Auten received a 1-year contract through arbitration worth a total of $11,500,000. | | MR Hi-sang Yop received a 1-year contract through arbitration worth a total of $600,000. | | SP Juan Carlos Lozano received a 1-year contract through arbitration worth a total of $600,000. |
| Wednesday, October 29th, 2014 | | Signed scouting director Héctor Guzmán to a 1-year, $240,000 per year contract. |
| Saturday, October 25th, 2014 | | SP Greg Thomas has executed his last optional contract year. | | 2B Wen Der has executed his last optional contract year. | | Scouting Director Héctor Guzmán leaves the team, his contract was not renewed. | | Placed LF Júlio Prado on the active roster. | | Activated LF Júlio Prado from the disabled list. | | Placed MR Juan Carlos Lozano on the 60-day disabled list. |
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