| | | Monday, March 22nd, 2021 | | Activated SP Luis Pérez from the 60-day disabled list. |
| Friday, February 26th, 2021 | | Signed free agent RF Chris McCullough to a 1-year contract worth a total of $2,600,000. |
| Wednesday, February 24th, 2021 | | Signed free agent RF Luis Sánchez to a 1-year contract worth a total of $1,400,000. |
| Saturday, January 9th, 2021 | | Signed free agent MR Onofredo Cavatta to a 3-year contract worth a total of $8,450,000. |
| Monday, December 21st, 2020 | | Placed SP John Benson on the active roster. |
| Saturday, December 19th, 2020 | | Signed free agent SP John Benson to a 4-year contract worth a total of $22,720,000. |
| Wednesday, November 25th, 2020 | | MR José Cruz received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Richard Aiken becomes a free-agent. | | SP Larry Burke becomes a free-agent. | | CL Ronnie Turner becomes a free-agent. | | SS Keith Hicks received a 1-year contract through automatic renewal worth a total of $400,000. | | C Austin Kelly received a 1-year contract through automatic renewal worth a total of $400,000. | | LF Gary England received a 1-year contract through automatic renewal worth a total of $400,000. | | MR Rute Themes received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Jorge Bermúdez becomes a free-agent. | | 2B Quinn Adams received a 1-year contract through automatic renewal worth a total of $400,000. | | CF Tommy Miller received a 1-year contract through automatic renewal worth a total of $400,000. | | SP Koen Wellenberg received a 1-year contract through automatic renewal worth a total of $400,000. | | Activated LF Lorenzo Villegas from the 60-day disabled list. | | Activated LF Richard Woodward from the disabled list. | | Activated SS Juan Rivera from the disabled list. | | Activated CF Tommy Miller from the disabled list. | | Recalled SP Jimmie Nash from Triple A Burlington. | | Purchased the contract of SP Melvin McLeod from Double A Vancouver. | | Purchased the contract of MR Carroll Carson from Double A Vancouver. | | Recalled SP Nicholas White from Triple A Burlington. | | Recalled 2B John Graham from Double A Vancouver. |
| Sunday, November 22nd, 2020 | | MR John Adams received a 1-year contract through arbitration worth a total of $610,000. | | C Ed Tolman received a 1-year contract through arbitration worth a total of $800,000. | | LF José Arredondo received a 1-year contract through arbitration worth a total of $600,000. | | SS Juan Rivera received a 1-year contract through arbitration worth a total of $7,000,000. | | SP Wilford Lombardi received a 1-year contract through arbitration worth a total of $600,000. | | 2B Michael Ballard received a 1-year contract through arbitration worth a total of $2,800,000. | | SP Claudio Rincón received a 1-year contract through arbitration worth a total of $600,000. | | CF Gerardo Cruz received a 1-year contract through arbitration worth a total of $600,000. | | SP Luis Pérez received a 1-year contract through arbitration worth a total of $600,000. |
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