| | | | | | | | | | |  | Major Transactions |
| | | | Sunday, July 1st, 2018 | | Placed CF M. López on the 15-day disabled list. | | Purchased the contract of CF T. Combs from Triple A Beulaville. |
| Wednesday, March 7th, 2018 | | Placed MR W. Elton on the active roster. |
| Saturday, March 3rd, 2018 | | Signed free agent CL J. Theriault to a 1-year contract worth a total of $1,040,000. |
| Thursday, March 1st, 2018 | | Traded 24-year old minor league first baseman J. Dodd to the Seattle Monarchs, getting 23-year old minor league catcher B. Maxon and $2,500,000 in cash in return. | | Traded 24-year old minor league first baseman J. Dodd to the Seattle Monarchs, getting 23-year old minor league catcher B. Maxon and $2,500,000 in cash in return. |
| Saturday, February 17th, 2018 | | Signed free agent MR W. Elton to a 1-year contract worth a total of $590,000. |
| Saturday, February 10th, 2018 | | Signed free agent 2B I. Natsu to a 1-year contract worth a total of $800,000. |
| Saturday, January 13th, 2018 | | Signed SP R. Shipp to a 3-year contract extension worth a total of $18,990,000. |
| Tuesday, January 2nd, 2018 | | Signed SP D. Hunnicutt to a 2-year contract extension worth a total of $1,400,000. |
| Monday, January 1st, 2018 | | Placed LF T. Thomas on the active roster. |
| Wednesday, December 27th, 2017 | | Signed free agent LF T. Thomas to a 2-year contract worth a total of $6,000,000. |
| Thursday, November 2nd, 2017 | | SP A. Rueter becomes a free-agent. | | 3B C. Pais received a 1-year contract through automatic renewal worth a total of $300,000. | | C G. Graham received a 1-year contract through automatic renewal worth a total of $300,000. | | 2B J. Drum received a 1-year contract through automatic renewal worth a total of $300,000. | | 1B J. Dodd received a 1-year contract through automatic renewal worth a total of $300,000. | | SS A. Gelman received a 1-year contract through automatic renewal worth a total of $300,000. | | CF M. López received a 1-year contract through automatic renewal worth a total of $300,000. | | LF C. Pla received a 1-year contract through automatic renewal worth a total of $300,000. | | CL T. Ramirez received a 1-year contract through automatic renewal worth a total of $300,000. | | MR F. Powell received a 1-year contract through automatic renewal worth a total of $300,000. | | MR J. Centeno received a 1-year contract through automatic renewal worth a total of $300,000. | | MR M. Alvarado becomes a free-agent. | | CL B. Dewall becomes a free-agent. | | CF B. Elder received a 1-year contract through automatic renewal worth a total of $300,000. | | MR F. Erickson received a 1-year contract through automatic renewal worth a total of $300,000. | | MR D. Castanon received a 1-year contract through automatic renewal worth a total of $300,000. | | 1B F. Armendariz becomes a free-agent. | | LF G. Silva received a 1-year contract through automatic renewal worth a total of $300,000. | | C B. Webb received a 1-year contract through automatic renewal worth a total of $300,000. |
| Monday, October 30th, 2017 | | 1B M. Slye received a 1-year contract through arbitration worth a total of $4,104,000. | | C K. King received a 1-year contract through arbitration worth a total of $3,128,900. | | 2B D. Lorenzen received a 1-year contract through arbitration worth a total of $345,000. |
| Tuesday, October 10th, 2017 | | CL B. Dewall voids his last optional contract year. |
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