| | | Wednesday, April 20th, 2016 | | Placed LF Stanley Forrest on the NCBL Triple A 7-day disabled list. |
| Thursday, April 14th, 2016 | | Signed free agent SP Sung-min Chang to a minor league contract. |
| Thursday, April 7th, 2016 | | Signed free agent MR Joel Tickner to a minor league contract. | | Signed free agent SP Daniel Brown to a minor league contract. | | Signed free agent CF Kevin Riopel to a minor league contract. | | Signed free agent MR Michael Brown to a minor league contract. | | Signed free agent SS Ken Arnopp to a minor league contract. |
| Monday, March 21st, 2016 | | Placed LF Kurt McKinney on the 60-day disabled list. |
| Tuesday, March 8th, 2016 | | Signed free agent LF Jim Durand to a minor league contract. | | Signed free agent LF Stanley Forrest to a minor league contract. | | Signed free agent RF José Herrera to a minor league contract. | | Signed free agent LF Ron Niles to a minor league contract. | | Signed free agent MR Radovan Andric to a minor league contract. | | Signed free agent MR Egiodeo Pisanello to a minor league contract. |
| Thursday, February 11th, 2016 | | Signed RF Gary Lee to a minor league contract extension. |
| Tuesday, February 9th, 2016 | | Signed SP Luis Urbina to a minor league contract extension. | | Signed LF Mario Cruz to a minor league contract extension. |
| Saturday, February 6th, 2016 | | Signed free agent RF Gary Lee to a minor league contract. | | Signed free agent 3B Jean-Pierre Beaudoin to a minor league contract. | | Signed free agent MR Rick Jamison to a minor league contract. | | Signed free agent LF Mario Cruz to a minor league contract. |
| Wednesday, February 3rd, 2016 | | Signed free agent SP Luis Urbina to a minor league contract. |
| Tuesday, January 19th, 2016 | | Signed SS Jim Coates to a minor league contract extension. |
| Monday, January 18th, 2016 | | RF Kuan-tai Chen was designated for assignment and placed on waivers. | | Placed CL Stan Wardlow on the 40-man roster. | | Placed CL Stan Wardlow on the active roster. |
| Sunday, January 17th, 2016 | | Signed free agent CL Stan Wardlow to a 2-year contract worth a total of $12,000,000. |
| Saturday, January 9th, 2016 | | Signed C Sergio Crane to a minor league contract extension. | | Signed 2B Denny McKeehan to a minor league contract extension. | | Signed MR Joe Thompson to a minor league contract extension. | | Signed CF Jaime Garza to a minor league contract extension. | | Signed MR Carlos Carrillo to a minor league contract extension. | | Signed MR Roberto Palácios to a minor league contract extension. | | Signed MR Jimmy Blair to a minor league contract extension. | | Signed MR Jesús Marrero to a minor league contract extension. |
| Thursday, January 7th, 2016 | | Signed C José Delgado to a minor league contract extension. |
| Tuesday, January 5th, 2016 | | Signed MR Freddy Cruz to a minor league contract extension. | | Signed SP Kevin Neidl to a minor league contract extension. | | Signed SP Eli Young to a minor league contract extension. |
| Saturday, December 26th, 2015 | | Signed SP Glenn Sweeney to a minor league contract extension. | | Signed MR Aurelio Salazar to a minor league contract extension. |
| Thursday, December 24th, 2015 | | Signed SP Phil Blankenship to a minor league contract extension. |
| Monday, December 21st, 2015 | | Signed free agent SP Phil Blankenship to a minor league contract. | | Placed 3B Charlie Guevara on irrevocable waivers. | | Placed RF Kuan-tai Chen on the 40-man roster. | | MR Jorge Alonso was designated for assignment and placed on waivers. | | Placed SP Juan Rivera on the NCBL Single A 7-day disabled list. | | Placed SP Al Reed on the NCBL Single A 7-day disabled list. |
| Sunday, December 20th, 2015 | | Signed free agent MR Uberto Rea to a minor league contract. |
| Saturday, December 19th, 2015 | | Signed free agent SP Glenn Sweeney to a minor league contract. | | Signed free agent MR Aurelio Salazar to a minor league contract. |
| Thursday, December 17th, 2015 | | Signed free agent SP Eric Dixon to a minor league contract. |
| Monday, December 14th, 2015 | | Placed CL Naoki Jouda on the 40-man roster. | | Placed CL Naoki Jouda on the active roster. |
| Wednesday, December 9th, 2015 | | Signed free agent CL Naoki Jouda to a 2-year contract worth a total of $1,200,000. |
| Tuesday, December 8th, 2015 | | Signed MR John Forrest to a 1-year contract extension worth a total of $2,500,000. | | Signed 2B Andrew Brown to a minor league contract extension. | | Signed 3B Javier Macías to a minor league contract extension. |
| Monday, December 7th, 2015 | | Signed free agent 2B Bryan Kline to a 1-year contract worth a total of $800,000. | | Placed 2B Bryan Kline on the 40-man roster. | | Placed 2B Bryan Kline on the active roster. |
| Monday, November 30th, 2015 | | Signed free agent SP Alfredo Valéncia to a minor league contract. |
| Sunday, November 29th, 2015 | | Signed SP Al Reed to a minor league contract extension. | | Placed MR Jorge Alonso on the 40-man roster. | | Placed CL Kuan-tai Zhang on the 40-man roster. |
| Friday, November 27th, 2015 | | Signed free agent 3B Javier Macías to a minor league contract. |
| Monday, November 23rd, 2015 | | Signed free agent LF Alejandro Rojas to a minor league contract. |
| Saturday, November 21st, 2015 | | Signed SP José Román to a minor league contract extension. | | Signed C Bruce Abbott to a minor league contract extension. | | Signed SP Mike White to a minor league contract extension. |
| Friday, November 20th, 2015 | | Signed MR Frasco Gallardo to a minor league contract extension. | | Signed MR Rute Corregedor to a minor league contract extension. |
| Thursday, November 19th, 2015 | | Signed CF Tom Little to a minor league contract extension. | | Signed SP Albert Guzmán to a minor league contract extension. |
| Wednesday, November 18th, 2015 | | Signed MR Jorge Alonso to a minor league contract extension. | | Signed CF José Alvarado to a minor league contract extension. | | Signed 3B Alvin Hayes to a minor league contract extension. |
| Tuesday, November 17th, 2015 | | SP Larry Shelton received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Jimmy Heller received a 1-year contract through automatic renewal worth a total of $400,000. | | C Joe Christensen becomes a free-agent. | | 1B Danny Ellis received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Alfredo Orosco received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Jerry Tomlinson becomes a free-agent. | | SP Jorge Gómez received a 1-year contract through automatic renewal worth a total of $400,000. | | MR António Salazar received a 1-year contract through automatic renewal worth a total of $400,000. | | MR José González received a 1-year contract through automatic renewal worth a total of $400,000. | | SS Andrew Davis received a 1-year contract through automatic renewal worth a total of $400,000. | | Demoted 2B Roberto Uribe to Triple A New Baltimore. |
| Saturday, November 14th, 2015 | | Signed MR John Forrest to a 1-year contract extension worth a total of $2,500,000. | | LF Kurt McKinney received a 1-year contract through arbitration worth a total of $1,200,000. | | SP Manny Gutiérrez received a 1-year contract through arbitration worth a total of $1,200,000. | | SP Erik Sparks received a 1-year contract through arbitration worth a total of $2,400,000. |
| Friday, November 13th, 2015 | | Signed 2B Richard Adams to a 2-year contract extension worth a total of $18,260,000. | | Signed CF Dan Kingston to a 1-year contract extension worth a total of $2,340,000. |
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