| | | Thursday, April 21st, 2016 | | Signed free agent SP Lorenzo Torres to a 1-year contract worth a total of $820,000. |
| Wednesday, April 6th, 2016 | | Placed 2B César Rosales on the 15-day disabled list. |
| Monday, March 7th, 2016 | | Placed SS Ron Robinson on the 60-day disabled list. |
| Monday, January 25th, 2016 | | Placed 1B Ramiro Muńóz on the active roster. |
| Tuesday, January 19th, 2016 | | Signed free agent 1B Ramiro Muńóz to a 1-year contract worth a total of $420,000. |
| Monday, January 4th, 2016 | | Placed MR George Embree on the active roster. |
| Saturday, January 2nd, 2016 | | Signed free agent MR George Embree to a 1-year contract worth a total of $400,000. |
| Monday, December 21st, 2015 | | Placed SP Jack Jones on the active roster. |
| Monday, December 14th, 2015 | | Placed MR Kent Hill on the active roster. | | Placed SS José Gonzáles on the active roster. | | Placed MR Tom Stone on the active roster. |
| Tuesday, December 8th, 2015 | | Signed free agent MR Tom Stone to a 1-year contract worth a total of $550,000. |
| Tuesday, November 17th, 2015 | | 2B Tokuma Jozume becomes a free-agent. | | 2B Jason Hubbard received a 1-year contract through automatic renewal worth a total of $400,000. | | C António Rosado received a 1-year contract through automatic renewal worth a total of $400,000. | | 3B Julián Gallegos becomes a free-agent. | | LF Dave Watkins received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Juan Martínez received a 1-year contract through automatic renewal worth a total of $5,000,000. | | LF Felipe Silva becomes a free-agent. | | CF Félix Medina becomes a free-agent. | | SP Earl Phelps becomes a free-agent. | | 2B Diego Hernández received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Norberto Gaona received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Luis Aguilar received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Masao Fujimoto received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Guillermo Chávez received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Rafael Gavcia received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Belarmino Martens received a 1-year contract through automatic renewal worth a total of $400,000. | | C Don Pearce received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Jim Mooney received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Yi-lin Kum received a 1-year contract through automatic renewal worth a total of $400,000. | | 2B César Rosales received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Gustavo Ortega received a 1-year contract through automatic renewal worth a total of $400,000. | | Signed scouting director José Muńóz to a 5-year, $330,000 per year contract. |
| Saturday, November 14th, 2015 | | SP Clement Coffey received a 1-year contract through arbitration worth a total of $600,000. | | MR Ángel López received a 1-year contract through arbitration worth a total of $850,000. | | 1B Pedro Canales received a 1-year contract through arbitration worth a total of $600,000. | | SP Marcos Pineda received a 1-year contract through arbitration worth a total of $800,000. | | MR Rob Palmer received a 1-year contract through arbitration worth a total of $600,000. | | MR Tom Stone becomes a free-agent. | | MR Morgan Wright becomes a free-agent. | | RF Dave Abbott becomes a free-agent. |
| Thursday, November 5th, 2015 | | Signed MR Pedro Trinidad to a 3-year contract extension worth a total of $1,980,000. |
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