| | | Wednesday, April 27th, 2016 | | Placed RF Carlos Silva on the 15-day disabled list. |
| Friday, April 1st, 2016 | | MR Robbie White was designated for assignment and placed on waivers. |
| Wednesday, December 30th, 2015 | | Signed free agent C Domingo Martínez to a 4-year contract worth a total of $51,680,000. |
| Tuesday, November 17th, 2015 | | RF Carlos Silva received a 1-year contract through automatic renewal worth a total of $400,000. | | 2B Charles Hansen becomes a free-agent. | | SS Takashi Minami received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Jorge Lópes received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Myles Brown received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Yoshi Sugiyama received a 1-year contract through automatic renewal worth a total of $400,000. | | RF Adam Gravelle becomes a free-agent. | | LF Anthony Wilson received a 1-year contract through automatic renewal worth a total of $400,000. | | CL Augusto Vannquez received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Andrés Godofredo received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Bruce Brown received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Gerardo Cortés received a 1-year contract through automatic renewal worth a total of $400,000. | | RF Brandon Schmitt received a 1-year contract through automatic renewal worth a total of $400,000. | | CL Dan Chandler received a 1-year contract through automatic renewal worth a total of $400,000. | | C Scott Norris becomes a free-agent. | | 1B Rusty Smith received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Sjoerd van de Broek received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Gabe Cooper received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Wilson Colomo received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Steve Fisher received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Roberto Pérez received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Pellervo Hakkarainen received a 1-year contract through automatic renewal worth a total of $400,000. | | 1B Trent Lawless received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Gerald Alexander received a 1-year contract through automatic renewal worth a total of $400,000. | | Traded 25-year-old reliever Andrés Godofredo to the Youngstown Steelheads, getting 26-year-old minor league closer Jake Joyner and 24-year-old left fielder Raúl Ortíz in return. | | Placed LF Raúl Ortíz on the active roster. | | Purchased the contract of CL Jake Joyner from Rookie League Scottsdale. |
| Saturday, November 14th, 2015 | | SP Kunimatsu Watanabe received a 1-year contract through arbitration worth a total of $600,000. | | C Lúcio Oliva received a 1-year contract through arbitration worth a total of $600,000. | | SP Salvador Pérez received a 1-year contract through arbitration worth a total of $1,614,000. | | SP Jim Love received a 1-year contract through arbitration worth a total of $2,964,500. | | MR Robbie White received a 1-year contract through arbitration worth a total of $2,600,000. | | MR Ed Black received a 1-year contract through arbitration worth a total of $600,000. | | CL Miguel Montés received a 1-year contract through arbitration worth a total of $600,000. | | 1B Rick Taylor received a 1-year contract through arbitration worth a total of $1,005,000. | | SP Tyson Roberts received a 1-year contract through arbitration worth a total of $3,100,500. | | 3B Roberto Altagracia received a 1-year contract through arbitration worth a total of $600,000. | | SP Fred Porter received a 1-year contract through arbitration worth a total of $600,000. | | RF Tom Davis received a 1-year contract through arbitration worth a total of $600,000. |
| Monday, November 2nd, 2015 | | Signed scouting director Joe Tucker to a 5-year, $310,000 per year contract. |
| Saturday, October 24th, 2015 | | LF Brett Smith retires. | | Scouting Director Earl Lee leaves the team, his contract was not renewed. |
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