| | | | | | | | | | Major Transactions |
| | Saturday, March 2nd, 2019 | Signed pitching coach D. Williams to a 5-year, $150,000 per year contract. | Friday, February 1st, 2019 | Placed SP J. Morales on the active roster. | Monday, January 14th, 2019 | Signed free agent SP J. Morales to a 1-year contract worth a total of $22,850,000. | Placed SP R. Adorno on the active roster. | Saturday, January 12th, 2019 | Placed SP T. Cohen on the active roster. | Thursday, December 27th, 2018 | Signed free agent SP R. Adorno to a 3-year contract worth a total of $42,510,000. | Tuesday, December 25th, 2018 | Signed free agent SP T. Cohen to a 3-year contract worth a total of $61,660,000. | Saturday, November 3rd, 2018 | SP D. Lopez becomes a free-agent. | SS D. Bolivar becomes a free-agent. | CF L. Ramón received a 1-year contract through automatic renewal worth a total of $300,000. | MR M. Robles received a 1-year contract through automatic renewal worth a total of $300,000. | 1B B. Pla received a 1-year contract through automatic renewal worth a total of $300,000. | C M. Frances received a 1-year contract through automatic renewal worth a total of $300,000. | 2B D. Burdine becomes a free-agent. | LF C. Valentín received a 1-year contract through automatic renewal worth a total of $300,000. | MR P. Caro received a 1-year contract through automatic renewal worth a total of $300,000. | SP B. Buckley becomes a free-agent. | SP T. Cohen becomes a free-agent. | RF M. Rodríguez received a 1-year contract through automatic renewal worth a total of $300,000. | Wednesday, October 31st, 2018 | C J. Dash received a 1-year contract through arbitration worth a total of $4,736,700. | SS R. Wilson received a 1-year contract through arbitration worth a total of $1,800,000. | 3B A. Peavey received a 1-year contract through arbitration worth a total of $4,803,400. | CF J. Diaz received a 1-year contract through arbitration worth a total of $324,000. | MR L. Carrero received a 1-year contract through arbitration worth a total of $300,000. | CL G. Fiala received a 1-year contract through arbitration worth a total of $300,000. | Thursday, October 11th, 2018 | SP D. Ramirez retires. | Pitching Coach E. Sánchez leaves the team, his contract was not renewed. | | |