| | | Sunday, March 27th, 2016 | | Signed 3B Tony Fernández to a 3-year contract extension worth a total of $3,900,000. |
| Monday, March 21st, 2016 | | Placed CF Fred Gallant on the 15-day disabled list. |
| Monday, March 7th, 2016 | | Placed RF Seung-hun Park on the 15-day disabled list. |
| Monday, January 11th, 2016 | | Signed free agent SS Eduardo González to a 3-year contract worth a total of $9,960,000. | | Placed SS Eduardo González on the active roster. |
| Monday, January 4th, 2016 | | Placed SP Luis Pérez on the active roster. |
| Saturday, January 2nd, 2016 | | Signed free agent SP Luis Pérez to a 4-year contract worth a total of $20,180,000. |
| Thursday, December 10th, 2015 | | Signed Scouting Director Steve Smith to a 5-year contract extension. |
| Tuesday, December 8th, 2015 | | Signed SP Júlio García to a 5-year contract extension worth a total of $18,200,000. |
| Friday, December 4th, 2015 | | Signed free agent C Joe Christensen to a 5-year contract worth a total of $37,450,000. |
| Tuesday, November 17th, 2015 | | RF Seung-hun Park received a 1-year contract through automatic renewal worth a total of $400,000. | | CL Keisuke Yasuda received a 1-year contract through automatic renewal worth a total of $400,000. | | 3B José Mendoza received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Nelson Ruíz received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Cade Smith received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Mike Cole received a 1-year contract through automatic renewal worth a total of $400,000. | | 1B Jesús Aguilar received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Grant Morgan received a 1-year contract through automatic renewal worth a total of $400,000. | | CL Dani Rodríguez received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Luis Acosta received a 1-year contract through automatic renewal worth a total of $400,000. | | C David Ayala received a 1-year contract through automatic renewal worth a total of $400,000. | | 2B Anastasio Enríquez received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Buck Nelson received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Troy Taylor received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Greg Jones received a 1-year contract through automatic renewal worth a total of $400,000. | | CL Chris Edwards received a 1-year contract through automatic renewal worth a total of $400,000. | | SS Shinji Koike received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Cisco Rivera received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Fred Gallant received a 1-year contract through automatic renewal worth a total of $400,000. | | 2B Bob Reynolds received a 1-year contract through automatic renewal worth a total of $400,000. | | 2B Morton Webster received a 1-year contract through automatic renewal worth a total of $400,000. | | CL Carlos Olvera received a 1-year contract through automatic renewal worth a total of $400,000. | | Placed 3B Ángel Segura on the active roster. | | Activated 3B Ángel Segura from the disabled list. | | Placed 2B Alfredo Herrera on the active roster. | | Activated 2B Alfredo Herrera from the disabled list. | | SP Buck Nelson was designated for assignment and placed on waivers. | | SP Nelson Ruíz was designated for assignment and placed on waivers. | | Placed SP Jorge Torres on the active roster. | | Activated SP Jorge Torres from the 60-day disabled list. |
| Saturday, November 14th, 2015 | | CF Brennan Robbins received a 1-year contract through arbitration worth a total of $600,000. | | MR Josh Klein received a 1-year contract through arbitration worth a total of $600,000. | | SP Jorge Torres received a 1-year contract through arbitration worth a total of $600,000. | | C Robert Weston received a 1-year contract through arbitration worth a total of $600,000. | | 2B Alfredo Herrera received a 1-year contract through arbitration worth a total of $600,000. | | SP Júlio García received a 1-year contract through arbitration worth a total of $2,600,000. | | RF Víctor Guerrero received a 1-year contract through arbitration worth a total of $600,000. | | SS Mourad Omaswa received a 1-year contract through arbitration worth a total of $600,000. | | 3B Tony Fernández received a 1-year contract through arbitration worth a total of $900,000. | | C Kojiro Yamasaki received a 1-year contract through arbitration worth a total of $800,000. | | CF Rodrigo Jiménez received a 1-year contract through arbitration worth a total of $800,000. | | SS Will Donahue received a 1-year contract through arbitration worth a total of $600,000. |
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