| | | | | | | | | | |  | Major Transactions |
| | | | Friday, September 6th, 2019 | | Signed SP S. Savage to a 2-year contract extension worth a total of $1,450,000. |
| Sunday, September 1st, 2019 | | Placed C B. Manning on the active roster. | | Activated C B. Manning from the 60-day disabled list. |
| Tuesday, July 16th, 2019 | | Traded 24-year old minor league first baseman J. Gómez to the Seattle Monarchs, getting 22-year old minor league center fielder B. Beard, 23-year old minor league left fielder E. Halliwell and a 5th round draft pick in return. |
| Saturday, July 6th, 2019 | | Signed SP T. Albarado to a 2-year contract extension worth a total of $4,000,002. | | Signed CL I. Webber to a 1-year contract extension worth a total of $410,000. |
| Monday, March 25th, 2019 | | SP D. Reimers was designated for assignment and placed on waivers. | | Demoted MR N. Simeon to Triple A Kensington. | | MR R. McKay was designated for assignment and placed on waivers. |
| Saturday, December 1st, 2018 | | Drafted C A. Pierre in the 2018 rule 5 draft (Pick 5, Round 1, 5th overall Pick). |
| Thursday, November 29th, 2018 | | SP B. Olesen was designated for assignment and placed on waivers. | | SP Z. Bubb was designated for assignment and placed on waivers. | | C T. Hooper was designated for assignment and placed on waivers. | | 2B J. Blackmer was designated for assignment and placed on waivers. |
| Saturday, November 3rd, 2018 | | MR N. Simeon received a 1-year contract through automatic renewal worth a total of $300,000. | | C T. Hooper received a 1-year contract through automatic renewal worth a total of $300,000. | | MR G. Wafford received a 1-year contract through automatic renewal worth a total of $300,000. | | RF J. Jacobs becomes a free-agent. | | 1B L. George received a 1-year contract through automatic renewal worth a total of $300,000. | | LF C. Bondy becomes a free-agent. | | SP A. Taub received a 1-year contract through automatic renewal worth a total of $300,000. | | MR A. Cerda received a 1-year contract through automatic renewal worth a total of $300,000. | | SS R. Chambers becomes a free-agent. | | SP D. Reimers received a 1-year contract through automatic renewal worth a total of $300,000. | | SS L. Cedeño received a 1-year contract through automatic renewal worth a total of $300,000. | | CF A. Marquez received a 1-year contract through automatic renewal worth a total of $300,000. | | MR R. McKay received a 1-year contract through automatic renewal worth a total of $300,000. | | 3B B. Stinson received a 1-year contract through automatic renewal worth a total of $300,000. | | 1B A. Robertson received a 1-year contract through automatic renewal worth a total of $300,000. | | 1B B. Meade received a 1-year contract through automatic renewal worth a total of $300,000. | | 2B L. Torre received a 1-year contract through automatic renewal worth a total of $300,000. |
| Wednesday, October 31st, 2018 | | SP T. Albarado received a 1-year contract through arbitration worth a total of $1,462,272. | | CL L. Sweeney received a 1-year contract through arbitration worth a total of $1,950,000. | | CL I. Webber received a 1-year contract through arbitration worth a total of $2,690,720. | | MR D. Allen received a 1-year contract through arbitration worth a total of $1,173,000. | | MR J. Guerrera received a 1-year contract through arbitration worth a total of $2,063,100. | | MR X. Portillo received a 1-year contract through arbitration worth a total of $829,440. | | MR V. Cipriani received a 1-year contract through arbitration worth a total of $905,280. | | SP N. Coghlan received a 1-year contract through arbitration worth a total of $1,978,368. |
| Thursday, October 18th, 2018 | | SP F. Jones was designated for assignment and placed on waivers. |
| Wednesday, October 17th, 2018 | | Signed bench coach F. Maus to a 4-year, $670,000 per year contract. |
| Monday, October 15th, 2018 | | Signed scouting director W. Morales to a 3-year, $130,000 per year contract. |
| Thursday, October 11th, 2018 | | Bench Coach C. Hawkins leaves the team, his contract was not renewed. | | Scouting Director M. Martin leaves the team, his contract was not renewed. | | LF L. Fenster was claimed off waivers from Seattle. | | Executed the last optional contract year of 1B L. Jeon. |
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