| January 28, 2019 | Agreed to terms with 2B Emilio Bonifacio and RHPs Ricardo Pinto, Casey Sadler and Luis Santos on minor league contracts. |
| January 18, 2019 | Agreed to terms with OF Avisail Garcia on a one-year contract. Designated RHP Oliver Drake for assignment. |
| January 14, 2019 | Agreed to terms with OF Avisail Garcia on a one-year contract. |
| January 11, 2019 | Agreed to terms with 3B Matt Duffy, C Mike Zunino and RHP Chaz Roe on one-year contracts. |
| January 4, 2019 | Acquired RHP Oliver Drake from the Toronto for $70,000. Designated RHP Jaime Schultz for assignment. |
