| | | Thursday, June 14th, 2018 | | Signed SP J. Rodriguez to a 3-year contract extension worth a total of $24,150,000. |
| Monday, June 4th, 2018 | | CF J. Hause was designated for assignment and placed on waivers. | | Placed CF E. Price on the active roster. | | Activated CF E. Price from the disabled list. |
| Monday, April 23rd, 2018 | | 3B F. Stroupe was designated for assignment and placed on waivers. | | Purchased the contract of CL C. Skiles from Triple A Olive Branch. |
| Saturday, April 21st, 2018 | | Signed 1B M. Quiros to a 3-year contract extension worth a total of $19,140,000. |
| Monday, March 5th, 2018 | | Signed MR N. Wegener to a 2-year contract extension worth a total of $2,900,000. |
| Thursday, November 30th, 2017 | | LF E. Cuadrado received a 1-year contract through automatic renewal worth a total of $300,000. | | SP J. Munguia becomes a free-agent. | | SS J. Pyron received a 1-year contract through automatic renewal worth a total of $300,000. | | LF H. Cheesman received a 1-year contract through automatic renewal worth a total of $300,000. | | SS K. Fellman received a 1-year contract through automatic renewal worth a total of $300,000. | | C F. Simmons received a 1-year contract through automatic renewal worth a total of $300,000. | | SP C. Mojica received a 1-year contract through automatic renewal worth a total of $300,000. | | MR J. Bostick received a 1-year contract through automatic renewal worth a total of $300,000. |
| Monday, November 27th, 2017 | | SP J. Barber received a 1-year contract through arbitration worth a total of $6,503,700. | | SP G. Murphy received a 1-year contract through arbitration worth a total of $7,608,600. | | CF A. Ejea becomes a free-agent. | | 3B F. Stroupe received a 1-year contract through arbitration worth a total of $688,800. | | CF E. Price received a 1-year contract through arbitration worth a total of $6,711,600. | | 2B E. Munsey received a 1-year contract through arbitration worth a total of $1,611,600. |
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