| | | | | | | | | | |  | Major Transactions |
| | | | Monday, July 30th, 2018 | | Placed MR W. Brown on the 15-day disabled list. | | Purchased the contract of SP J. Folch from Triple A Mississagua. |
| Wednesday, December 13th, 2017 | | Signed free agent CL B. Dewall to a 2-year contract worth a total of $15,200,000. | | Signed free agent MR W. Brown to a 2-year contract worth a total of $3,200,000. |
| Sunday, December 10th, 2017 | | Signed free agent MR M. Santoro to a 2-year contract worth a total of $10,600,000. |
| Thursday, November 2nd, 2017 | | MR P. Garcia received a 1-year contract through automatic renewal worth a total of $300,000. | | SP B. Talamantez received a 1-year contract through automatic renewal worth a total of $300,000. | | CL D. Sitton received a 1-year contract through automatic renewal worth a total of $300,000. | | SP J. Folch received a 1-year contract through automatic renewal worth a total of $300,000. | | MR D. Alcala becomes a free-agent. | | MR A. Bilbao received a 1-year contract through automatic renewal worth a total of $300,000. | | 2B D. Chase becomes a free-agent. | | SS C. Gaynon received a 1-year contract through automatic renewal worth a total of $300,000. | | CF B. Carmona received a 1-year contract through automatic renewal worth a total of $300,000. | | C W. Ward becomes a free-agent. | | SS E. Ordóñez received a 1-year contract through automatic renewal worth a total of $300,000. | | 3B G. Armstrong received a 1-year contract through automatic renewal worth a total of $300,000. | | SP M. Montgomery received a 1-year contract through automatic renewal worth a total of $300,000. | | SS T. Aoki received a 1-year contract through automatic renewal worth a total of $300,000. | | SP J. Earp received a 1-year contract through automatic renewal worth a total of $300,000. |
| Monday, October 30th, 2017 | | CF D. Mckibben received a 1-year contract through arbitration worth a total of $324,300. | | SS M. Rodrigue received a 1-year contract through arbitration worth a total of $417,600. | | MR J. Fleitas received a 1-year contract through arbitration worth a total of $3,444,000. | | 2B B. Gerson received a 1-year contract through arbitration worth a total of $2,297,700. | | MR T. Brasfield received a 1-year contract through arbitration worth a total of $2,101,248. | | SP C. Olaughlin received a 1-year contract through arbitration worth a total of $1,228,200. | | CF R. Ortega received a 1-year contract through arbitration worth a total of $4,363,200. | | CL H. Ringler received a 1-year contract through arbitration worth a total of $1,024,000. | | MR R. Firkins received a 1-year contract through arbitration worth a total of $375,360. | | CF S. Mager received a 1-year contract through arbitration worth a total of $310,500. |
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