| | | Tuesday, November 24th, 2020 | | Placed 3B C. Moreno on the active roster. |
| Monday, November 23rd, 2020 | | MR T. Vargas becomes a free-agent. | | CF J. Beauregard received a 1-year contract through arbitration worth a total of $4,000,000. | | MR J. Aguilar becomes a free-agent. | | 3B D. Ellis received a 1-year contract through arbitration worth a total of $750,000. | | C Y. Gato received a 1-year contract through arbitration worth a total of $750,000. |
| Tuesday, September 22nd, 2020 | | Purchased the contract of CF D. Purchase from Triple A Fresno. |
| Tuesday, September 8th, 2020 | | Purchased the contract of SP M. Wooten from Triple A Fresno. |
| Sunday, July 26th, 2020 | | Signed LF R. Sandoval to a 3-year contract extension worth a total of $3,250,000. |
| Friday, July 17th, 2020 | | Signed SS P. Bartz to a 2-year contract extension worth a total of $3,000,000. |
| Friday, June 26th, 2020 | | Signed free agent C C. O'Neil to a 1-year contract worth a total of $500,000. |
| Tuesday, June 9th, 2020 | | MR F. Tirado was designated for assignment and placed on waivers. | | Purchased the contract of MR C. Huffman from Triple A Fresno. |
| Wednesday, May 20th, 2020 | | MR J. Porter was designated for assignment and placed on waivers. | | Placed MR R. Rodriguz on the active roster. |
| Friday, January 31st, 2020 | | Traded a 5th round draft pick to the Dam Site Drifters, getting nothing in return. |
| Friday, November 29th, 2019 | | LF R. Sandoval received a 1-year contract through automatic renewal worth a total of $500,000. | | MR M. Martínez received a 1-year contract through automatic renewal worth a total of $500,000. | | CF J. Beauregard received a 1-year contract through automatic renewal worth a total of $500,000. | | C Y. Gato received a 1-year contract through automatic renewal worth a total of $500,000. |
| Tuesday, November 26th, 2019 | | MR T. Vargas received a 1-year contract through arbitration worth a total of $3,800,000. | | MR J. Aguilar received a 1-year contract through arbitration worth a total of $1,100,000. | | 3B D. Ellis received a 1-year contract through arbitration worth a total of $750,000. | | 1B G. Stinson received a 1-year contract through arbitration worth a total of $750,000. |
| Monday, November 25th, 2019 | | SS H. Burns was designated for assignment and placed on waivers. | | MR D. Oldreive was designated for assignment and placed on waivers. | | Purchased the contract of SS A. Spears from Triple A Fresno. | | 1B K. DeWitt was designated for assignment and placed on waivers. | | Demoted SS A. Spears to Triple A Fresno. | | 2B P. López was designated for assignment and placed on waivers. |
| Friday, November 8th, 2019 | | Signed C P. Richmond to a 4-year contract extension worth a total of $15,400,000. |
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