| | | Wednesday, April 27th, 2016 | | RF John Hughes was designated for assignment and placed on waivers. | | RF Ty Goff was designated for assignment and placed on waivers. | | Purchased the contract of RF Jaime Orndorf from Triple A Wichita. | | Purchased the contract of RF Axel Wellby from Triple A Wichita. |
| Tuesday, March 22nd, 2016 | | Placed SS Jian-zhang Ching on the 15-day disabled list. |
| Saturday, February 13th, 2016 | | Signed free agent SP Justin Monroe to a 2-year contract worth a total of $9,380,000. | | Signed free agent LF Javier Flores to a 3-year contract worth a total of $23,120,000. | | Signed free agent SP George Hartman to a 1-year contract worth a total of $880,000. |
| Monday, February 1st, 2016 | | Signed free agent 2B António Rivera to a 1-year contract worth a total of $1,640,000. | | 2B Julian Ewing was designated for assignment and placed on waivers. | | Placed 2B António Rivera on the active roster. |
| Sunday, January 31st, 2016 | | C Jesús Gonzáles was designated for assignment and placed on waivers. | | Placed 2B Pablo López on the active roster. | | CF Paul Henley was designated for assignment and placed on waivers. | | Placed 1B Jim Womack on the active roster. |
| Wednesday, January 27th, 2016 | | Signed free agent 1B Jim Womack to a 1-year contract worth a total of $870,000. |
| Thursday, January 21st, 2016 | | Signed free agent 2B Pablo López to a 1-year contract worth a total of $860,000. |
| Wednesday, January 13th, 2016 | | Signed free agent SS Santiago Rivera to a 1-year contract worth a total of $900,000. |
| Tuesday, January 12th, 2016 | | Signed free agent RF Ty Goff to a 1-year contract worth a total of $890,000. |
| Wednesday, December 30th, 2015 | | Signed free agent CL Juan González to a 3-year contract worth a total of $20,370,000. |
| Monday, December 21st, 2015 | | LF Miguel Morales was designated for assignment and placed on waivers. | | Placed SP Joe Morgan on the active roster. |
| Friday, December 18th, 2015 | | Signed free agent SP Joe Morgan to a 2-year contract worth a total of $3,860,000. |
| Monday, December 14th, 2015 | | MR Warren Walcott was designated for assignment and placed on waivers. | | Placed MR Enrique Díaz on the active roster. | | MR Jim Billings was designated for assignment and placed on waivers. | | Placed CL Dan Dodson on the active roster. |
| Thursday, December 10th, 2015 | | Signed free agent MR Enrique Díaz to a 2-year contract worth a total of $3,200,000. |
| Wednesday, December 9th, 2015 | | Signed free agent CL Dan Dodson to a 2-year contract worth a total of $1,700,000. |
| Friday, December 4th, 2015 | | Signed free agent MR Katsuhito Ogawa to a 2-year contract worth a total of $1,400,000. |
| Tuesday, December 1st, 2015 | | Signed free agent SP Austin Dunn to a 2-year contract worth a total of $4,400,000. | | RF Gilbert Rush was designated for assignment and placed on waivers. | | Drafted CL Alberto Díaz in the 2015 Rule 5 Draft (Round 1, Pick 7, 7th overall Pick), from the Manchester Industrials. |
| Tuesday, November 17th, 2015 | | SP Andrew Hall received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Andy Glendenning received a 1-year contract through automatic renewal worth a total of $400,000. | | 3B Kevin Lynn received a 1-year contract through automatic renewal worth a total of $400,000. | | C Jon Brooks received a 1-year contract through automatic renewal worth a total of $400,000. | | 3B Roosevelt Barrett received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Javier Sosa received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Paul Henley received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Jake Sargent received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Vicente Vázquez received a 1-year contract through automatic renewal worth a total of $400,000. | | SS Luis Torres received a 1-year contract through automatic renewal worth a total of $400,000. | | 1B Vincent Beaupré received a 1-year contract through automatic renewal worth a total of $400,000. | | CL Ed McAllen received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Jim Billings received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Kyle Long received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Sam Day received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Zeffun Maddaford received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Rocky Edwards received a 1-year contract through automatic renewal worth a total of $400,000. | | RF Bartolo Cardenas received a 1-year contract through automatic renewal worth a total of $400,000. | | SS Jian-zhang Ching received a 1-year contract through automatic renewal worth a total of $400,000. | | RF John Hughes received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Juan León received a 1-year contract through automatic renewal worth a total of $400,000. | | Demoted MR Ignacio Padilla to Triple A Wichita. |
| Saturday, November 14th, 2015 | | MR Jack Melton received a 1-year contract through arbitration worth a total of $882,000. | | MR Jorge Ramírez becomes a free-agent. | | C Juan Carrillo received a 1-year contract through arbitration worth a total of $760,000. | | 1B Miguel Sánchez received a 1-year contract through arbitration worth a total of $6,500,000. | | CF Miguel Guerra received a 1-year contract through arbitration worth a total of $10,000,000. | | LF Miguel Morales received a 1-year contract through arbitration worth a total of $600,000. |
| Wednesday, October 28th, 2015 | | 2B Jimmy Holt was designated for assignment and placed on waivers. | | Placed RF John Hughes on the active roster. |
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