Rangers Roster & Staff
Transactions
| Date | Transaction |
| 12/28/20 | Texas Rangers signed free agent 3B Charlie Culberson. |
| 12/28/20 | Texas Rangers signed free agent RHP Jesus Linarez to a minor league contract. |
| 12/28/20 | Texas Rangers signed free agent LHP Sal Mendez to a minor league contract. |
| 12/28/20 | Texas Rangers signed free agent 2B Charlie Culberson to a minor league contract and invited him to spring training. |
| 12/28/20 | Texas Rangers signed free agent RHP Collin Wiles to a minor league contract. |
| 12/28/20 | Texas Rangers signed free agent RHP Tim Dillard to a minor league contract. |
| 12/28/20 | Texas Rangers signed free agent OF Elier Hernandez to a minor league contract. |
| 12/26/20 | Texas Rangers signed free agent P Kohei Arihara. |
| 12/26/20 | Texas Rangers signed free agent P Kohei Arihara. |
| 12/26/20 | Texas Rangers signed free agent RHP Kohei Arihara. |
| 12/26/20 | Texas Rangers designated RHP Art Warren for assignment. |
| 12/18/20 | New York Mets traded RHP Ryder Ryan to Texas Rangers. |
| 12/16/20 | P John King changed number to 42. |
| 12/16/20 | CF Leody Taveras changed number to 42. |
| 12/16/20 | Texas Rangers traded RF Scott Heineman to Cincinnati Reds for 2B Jose Acosta. |
| 12/16/20 | P Kyle Cody changed number to 42. |
| 12/16/20 | Leody Taveras changed number to 3. |
| 12/16/20 | Texas Rangers signed free agent RHP Luis Ortiz to a minor league contract and invited him to spring training. |
| 12/16/20 | Kyle Cody changed number to 54. |
| 12/16/20 | Wes Benjamin changed number to 63. |
| 12/16/20 | P Wes Benjamin changed number to 42. |
| 12/16/20 | P Wes Benjamin changed number to 63. |
| 12/16/20 | P John King changed number to 60. |
| 12/16/20 | CF Leody Taveras changed number to 3. |
| 12/16/20 | P Kyle Cody changed number to 54. |
| 12/16/20 | John King changed number to 60. |
| 12/16/20 | Texas Rangers signed free agent P Luis Ortiz. |
| 12/16/20 | Texas Rangers traded RF Scott Heineman to Cincinnati Reds for 2B Jose Acosta. |
| 12/15/20 | Texas Rangers signed free agent LF David Dahl. |
| 12/15/20 | Texas Rangers traded RHP Rafael Montero to Seattle Mariners for RHP Jose Corniell and Player To Be Named Later. |
| 12/15/20 | Texas Rangers signed free agent LF David Dahl. |
| 12/15/20 | Texas Rangers signed free agent LF David Dahl. |
| 12/15/20 | Texas Rangers traded RHP Rafael Montero to Seattle Mariners for RHP Jose Corniell and Player To Be Named Later. |
| 12/14/20 | Texas Rangers signed free agent CF Jason Martin to a minor league contract and invited him to spring training. |
| 12/14/20 | Texas Rangers signed free agent RHP Edubray Ramos to a minor league contract and invited him to spring training. |
| 12/14/20 | Texas Rangers signed free agent RHP Jharel Cotton to a minor league contract and invited him to spring training. |
| 12/14/20 | Texas Rangers signed free agent P Jharel Cotton. |
| 12/14/20 | Texas Rangers signed free agent CF Jason Martin. |
| 12/11/20 | Texas Rangers signed free agent RHP Jimmy Herget. |
| 12/11/20 | Texas Rangers designated RF Scott Heineman for assignment. |
| 12/10/20 | RHP Matt Wivinis assigned to Texas Rangers. |
| 12/10/20 | Texas Rangers claimed P Brett de Geus off waivers. |
| 12/10/20 | C Yohel Pozo assigned to Texas Rangers. |
| 12/10/20 | RHP Justin Marsden assigned to Texas Rangers. |
| 12/10/20 | Tampa Bay Rays traded 1B Nate Lowe, 1B Jake Guenther and Player To Be Named Later to Texas Rangers for C Heriberto Hernandez, SS Osleivis Basabe and RF Alexander Ovalles. |
| 12/10/20 | Texas Rangers activated 1B Nathaniel Lowe. |
| 12/10/20 | Tampa Bay Rays traded 1B Nate Lowe, 1B Jake Guenther and Player To Be Named Later to Texas Rangers for C Heriberto Hernandez, SS Osleivis Basabe and RF Alexander Ovalles. |
| 12/10/20 | Tampa Bay Rays traded 1B Nate Lowe, 1B Jake Guenther and Player To Be Named Later to Texas Rangers for C Heriberto Hernandez, SS Osleivis Basabe and RF Alexander Ovalles. |
| 12/10/20 | Texas Rangers claimed P Brett de Geus off waivers. |
| 12/10/20 | Tampa Bay Rays traded 1B Nate Lowe, 1B Jake Guenther and Player To Be Named Later to Texas Rangers for C Heriberto Hernandez, SS Osleivis Basabe and RF Alexander Ovalles. |
| 12/10/20 | Tampa Bay Rays traded 1B Nate Lowe, 1B Jake Guenther and Player To Be Named Later to Texas Rangers for C Heriberto Hernandez, SS Osleivis Basabe and RF Alexander Ovalles. |
| 12/10/20 | traded 1B Nate Lowe to Texas Rangers. |
| 12/10/20 | Texas Rangers claimed RHP Brett de Geus off waivers from Oklahoma City Dodgers. |
| 12/08/20 | Texas Rangers traded RHP Lance Lynn to Chicago White Sox for LHP Avery Weems and RHP Dane Dunning. |
| 12/08/20 | Texas Rangers traded RHP Lance Lynn to Chicago White Sox for LHP Avery Weems and RHP Dane Dunning. |
| 12/08/20 | Texas Rangers traded RHP Lance Lynn to Chicago White Sox for LHP Avery Weems and RHP Dane Dunning. |
| 12/03/20 | Texas Rangers signed free agent RF Scott Heineman. |
| 12/03/20 | Texas Rangers signed free agent RHP Joe Gatto. |
| 12/02/20 | RF Scott Heineman elected free agency. |
| 12/02/20 | OF Danny Santana elected free agency. |
| 12/02/20 | RHP Jimmy Herget elected free agency. |