Red Sox Roster & Staff
Transactions
| Date | Transaction |
| 10/31/19 | Boston Red Sox claimed LHP Josh Osich off waivers from Chicago White Sox. |
| 10/31/19 | 1B Mitch Moreland elected free agency. |
| 10/31/19 | 1B Steve Pearce elected free agency. |
| 10/31/19 | 2B Brock Holt elected free agency. |
| 10/31/19 | RHP Rick Porcello elected free agency. |
| 10/31/19 | RHP Andrew Cashner elected free agency. |
| 10/31/19 | RHP Jhoulys Chacin elected free agency. |
| 10/31/19 | Boston Red Sox activated LHP Chris Sale from the 60-day injured list. |
| 10/31/19 | Boston Red Sox activated 2B Dustin Pedroia from the 60-day injured list. |
| 10/22/19 | Boston Red Sox signed free agent RHP Chih-Jung Liu to a minor league contract. |
| 10/21/19 | 2B Chris Owings elected free agency. |
| 10/18/19 | Boston Red Sox sent RHP Josh A. Smith outright to Pawtucket Red Sox. |
| 10/18/19 | Boston Red Sox signed free agent OF Colin Willis to a minor league contract. |
| 10/18/19 | Boston Red Sox signed free agent LHP Eduardo Diaz to a minor league contract. |
| 10/18/19 | Boston Red Sox released RHP Steven Wright. |
| 10/18/19 | Boston Red Sox sent CF Gorkys Hernandez outright to Pawtucket Red Sox. |
| 10/11/19 | Boston Red Sox signed free agent OF Albertson Asigen to a minor league contract. |
| 10/11/19 | Boston Red Sox signed free agent C Claudio Richetti to a minor league contract. |