| | | Monday, November 23rd, 2020 | | RF T. Long received a 1-year contract through arbitration worth a total of $3,800,000. | | RF J. Abúndez received a 1-year contract through arbitration worth a total of $900,000. | | SP A. Caraballo received a 1-year contract through arbitration worth a total of $5,500,000. | | RF D. Rowland received a 1-year contract through arbitration worth a total of $1,100,000. | | SS M. Martínez received a 1-year contract through arbitration worth a total of $750,000. |
| Tuesday, September 29th, 2020 | | Placed MR P. Jurado on the active roster. | | MR P. Jurado was designated for assignment and placed on waivers. |
| Wednesday, September 23rd, 2020 | | MR P. Jurado was claimed off waivers from Phoenix. |
| Tuesday, September 1st, 2020 | | Traded nothing to the Greenville 84s, getting a 3rd round draft pick in return. |
| Tuesday, May 5th, 2020 | | MR C. Gómez was designated for assignment and placed on waivers. | | Purchased the contract of MR M. Galindo from Triple A Fiborn. |
| Monday, April 6th, 2020 | | Signed 1B J. Beltrán to a 3-year contract extension worth a total of $18,000,000. |
| Wednesday, April 1st, 2020 | | SP L. McCausland was designated for assignment and placed on waivers. |
| Sunday, March 29th, 2020 | | Placed SP L. McCausland on the active roster. |
| Thursday, February 20th, 2020 | | Signed free agent CL R. Elisarraraz to a 3-year contract worth a total of $28,980,000. |
| Saturday, February 15th, 2020 | | MR G. Hernández was designated for assignment and placed on waivers. | | Purchased the contract of MR C. Gómez from Triple A Fiborn. |
| Wednesday, January 15th, 2020 | | 2B R. Dinkins was designated for assignment and placed on waivers. | | Placed MR T. Kiyomizu on the 60-day disabled list. | | Purchased the contract of SS M. Martínez from Winter League Moca. | | Purchased the contract of SP S. Gutiérrez from Winter League Moca. |
| Wednesday, January 8th, 2020 | | Signed free agent MR T. Kiyomizu to a 3-year contract worth a total of $12,150,000. |
| Thursday, December 26th, 2019 | | Signed free agent MR G. Hernández to a 1-year contract worth a total of $500,000. |
| Monday, December 2nd, 2019 | | Purchased the contract of SP L. McCausland from Winter League Moca. |
| Sunday, December 1st, 2019 | | Drafted 1B A. Harris in the 2019 rule 5 draft (Pick 5, Round 1, 5th overall Pick). |
| Friday, November 29th, 2019 | | 1B R. Young received a 1-year contract through automatic renewal worth a total of $500,000. | | CL J. Gamboa received a 1-year contract through automatic renewal worth a total of $500,000. | | RF J. Abúndez received a 1-year contract through automatic renewal worth a total of $500,000. | | SP N. Abe received a 1-year contract through automatic renewal worth a total of $500,000. | | RF D. Rowland received a 1-year contract through automatic renewal worth a total of $500,000. | | CF B. Hill received a 1-year contract through automatic renewal worth a total of $500,000. | | MR D. MacIlreach received a 1-year contract through automatic renewal worth a total of $500,000. | | 2B R. Dinkins received a 1-year contract through automatic renewal worth a total of $500,000. |
| Tuesday, November 26th, 2019 | | 1B J. Beltrán received a 1-year contract through arbitration worth a total of $5,000,000. | | RF T. Long received a 1-year contract through arbitration worth a total of $750,000. |
| Monday, November 25th, 2019 | | Traded a 4th round draft pick to the Cummaquid Squids, getting 30-year-old first baseman J. Beltrán in return. | | Placed 1B J. Beltrán on the active roster. |
| Tuesday, November 5th, 2019 | | Released MR T. Harris. |
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