| | | Monday, September 15th, 2014 | | Placed SP Juan Pérez on the 60-day disabled list. |
| Thursday, August 14th, 2014 | | Failed to sign 4th round draft pick Ray Phelps. | | Failed to sign 5th round draft pick Gustavo Garza. |
| Sunday, August 3rd, 2014 | | Signed SP Robert Sampson to a 3-year contract extension worth a total of $45,563,400. |
| Tuesday, July 22nd, 2014 | | Signed CF Zach Raymond to a 3-year contract extension worth a total of $24,000,000. |
| Friday, July 11th, 2014 | | Signed SP Juan Pérez to a 1-year contract extension worth a total of $3,800,000. |
| Thursday, July 3rd, 2014 | | Placed 2B Pat White on the active roster. | | Activated 2B Pat White from the disabled list. |
| Saturday, June 28th, 2014 | | Signed 1st round draft pick Ryuichi Takahashi for a signing bonus of $1,440,000 and a 3-year major league contract worth a total of $2,700,000. |
| Thursday, June 26th, 2014 | | Signed Shusaku Memoto to a minor league contract with a signing bonus of $280,000. |
| Saturday, June 21st, 2014 | | Signed Floyd Murphy to a minor league contract with a signing bonus of $830,000. |
| Friday, June 20th, 2014 | | Signed SS Liu-liang Tang to a 3-year contract extension worth a total of $7,800,000. |
| Tuesday, June 10th, 2014 | | Placed 2B Pat White on the 15-day disabled list. |
| Sunday, April 27th, 2014 | | Signed 1B Manuel Franco to a 2-year contract extension worth a total of $21,000,000. | | Signed SP António Mateo to a 2-year contract extension worth a total of $8,800,000. |
| Sunday, March 9th, 2014 | | Placed SP Robert Sampson on the 60-day disabled list. |
| Monday, February 10th, 2014 | | C Sixto Contreras was designated for assignment and placed on waivers. | | Placed MR Mario Medina on the active roster. |
| Saturday, February 8th, 2014 | | Signed free agent MR Mario Medina to a 1-year contract worth a total of $2,580,000. |
| Saturday, December 14th, 2013 | | Placed SP Pedro González on the active roster. |
| Saturday, December 7th, 2013 | | Signed free agent SP Pedro González to a 4-year contract worth a total of $31,880,000. |
| Saturday, November 16th, 2013 | | SP Donnie Sanders received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Jesús Martínez received a 1-year contract through automatic renewal worth a total of $400,000. | | CL José Ramos received a 1-year contract through automatic renewal worth a total of $400,000. | | C Jason Mahoney received a 1-year contract through automatic renewal worth a total of $400,000. | | C Tu-chin Kim received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Jerry Cummings received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Bob Mitchell received a 1-year contract through automatic renewal worth a total of $400,000. | | 2B José Sandoval received a 1-year contract through automatic renewal worth a total of $400,000. | | RF Fernando Franco received a 1-year contract through automatic renewal worth a total of $400,000. |
| Wednesday, November 13th, 2013 | | SP António Mateo received a 1-year contract through arbitration worth a total of $4,384,000. | | MR Michael Vaughan received a 1-year contract through arbitration worth a total of $600,000. | | 1B Manuel Franco received a 1-year contract through arbitration worth a total of $10,000,000. | | MR Randy Walters received a 1-year contract through arbitration worth a total of $600,000. | | MR Gilbert Riddle received a 1-year contract through arbitration worth a total of $600,000. | | RF Alfonso Martínez received a 1-year contract through arbitration worth a total of $600,000. | | 2B Pat White received a 1-year contract through arbitration worth a total of $5,715,500. | | MR Jing-bo Qiu received a 1-year contract through arbitration worth a total of $948,000. | | CF Zach Raymond received a 1-year contract through arbitration worth a total of $5,284,000. | | 3B Gerardo López received a 1-year contract through arbitration worth a total of $2,028,000. | | DH Mike Funk received a 1-year contract through arbitration worth a total of $4,800,000. | | SS Liu-liang Tang received a 1-year contract through arbitration worth a total of $2,437,500. | | 2B Alfonso Miranda received a 1-year contract through arbitration worth a total of $880,000. | | LF Jorge Vesa becomes a free-agent. | | C Tony Lucero received a 1-year contract through arbitration worth a total of $800,000. | | 3B Conan Hathaway received a 1-year contract through arbitration worth a total of $600,000. |
| Wednesday, October 23rd, 2013 | | Placed LF Jorge Vesa on the active roster. | | Activated LF Jorge Vesa from the disabled list. |
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