| | | Monday, March 21st, 2016 | | Placed CF Ignacio Reyes on the 15-day disabled list. |
| Monday, March 14th, 2016 | | Placed 2B Hunter Tosh on the 15-day disabled list. |
| Monday, February 1st, 2016 | | Signed free agent LF Sam Smart to a 1-year contract worth a total of $10,860,000. | | 1B Juan Garza was designated for assignment and placed on waivers. | | Placed LF Sam Smart on the 40-man roster. | | Placed LF Sam Smart on the active roster. | | 3B Ed Evans was designated for assignment and placed on waivers. | | Placed C Mitchell Wallace on the 40-man roster. | | Placed C Mitchell Wallace on the active roster. |
| Friday, January 29th, 2016 | | Signed free agent C Mitchell Wallace to a 1-year contract worth a total of $840,000. |
| Thursday, January 14th, 2016 | | Signed free agent 2B John Woodard to a 3-year contract worth a total of $38,670,000. |
| Tuesday, January 5th, 2016 | | Signed free agent SS Reagan Newton to a 2-year contract worth a total of $11,540,000. |
| Monday, December 14th, 2015 | | Placed RF Raúl Medina on the 40-man roster. | | Placed RF Raúl Medina on the active roster. |
| Tuesday, December 8th, 2015 | | Signed free agent RF Raúl Medina to a 2-year contract worth a total of $2,160,000. |
| Monday, December 7th, 2015 | | Placed 3B Guy Allard on the 40-man roster. | | Placed 3B Guy Allard on the active roster. |
| Friday, December 4th, 2015 | | Signed free agent 3B Guy Allard to a 2-year contract worth a total of $2,400,000. |
| Tuesday, December 1st, 2015 | | Drafted CF Jiong Qu in the 2015 Rule 5 Draft (Round 1, Pick 4, 4th overall Pick), from the Hagerstown Gold Sox. |
| Saturday, November 28th, 2015 | | Signed free agent 3B Hunter Tosh to a 1-year contract worth a total of $1,370,000. |
| Tuesday, November 17th, 2015 | | C P.J. Frazier received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Ignacio Reyes received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Henry Day received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Reynaldo Delgado received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Pedro Cota received a 1-year contract through automatic renewal worth a total of $400,000. | | 3B António Cabral received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Ryan Penton received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Javier Flores becomes a free-agent. | | MR Axel Tarleton received a 1-year contract through automatic renewal worth a total of $400,000. | | C Roberto Gonzáles becomes a free-agent. | | SP Cliff Goodwin received a 1-year contract through automatic renewal worth a total of $400,000. | | 2B Lorenzo Sandoval received a 1-year contract through automatic renewal worth a total of $400,000. | | 3B Ed Evans received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Brad Duval received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Ken'ichi Kodo received a 1-year contract through automatic renewal worth a total of $400,000. | | Demoted SP Billy Hast from Triple A South Fork to Double A Big Lake. | | Demoted MR Todd Wagner from Triple A South Fork to Double A Big Lake. | | Demoted MR Pedro Rivas from Double A Big Lake to Single A Laredo. | | Demoted SP Mark Daly from Double A Big Lake to Single A Laredo. | | Demoted MR Enrique Farean from Single A Laredo to Short Season A Corpus Christi. | | Demoted MR Armando Marino from Single A Laredo to Short Season A Corpus Christi. | | Demoted MR Ramón Alaniz from Short Season A Corpus Christi to Rookie League Newark. | | Demoted MR Luis Gómez from Short Season A Corpus Christi to Rookie League Newark. | | Placed SP Martin James on the 40-man roster. | | Purchased the contract of SP Martin James from Triple A South Fork. | | Demoted SP Alfredo Béltre to Triple A South Fork. |
| Saturday, November 14th, 2015 | | 2B Alan Smith becomes a free-agent. | | CF José Núñez received a 1-year contract through arbitration worth a total of $2,592,000. | | 2B Pedro González received a 1-year contract through arbitration worth a total of $600,000. | | SP Bob Griffin received a 1-year contract through arbitration worth a total of $1,400,000. | | MR Alex Day received a 1-year contract through arbitration worth a total of $600,000. | | CL Felipe Cruz received a 1-year contract through arbitration worth a total of $1,617,000. | | SP Juan Leyva becomes a free-agent. | | SP Rubén Sánchez received a 1-year contract through arbitration worth a total of $600,000. | | MR Ed Green received a 1-year contract through arbitration worth a total of $1,050,000. | | SP Joe Taylor becomes a free-agent. | | RF Tom McCormack becomes a free-agent. | | MR Bill Chapman received a 1-year contract through arbitration worth a total of $1,470,000. | | 3B Joe Cooper received a 1-year contract through arbitration worth a total of $800,000. | | 3B Pancho Hernández received a 1-year contract through arbitration worth a total of $600,000. |
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