Guardians Roster & Staff
Transactions
| Date | Transaction |
| 08/31/20 | Cleveland Indians traded RHP Mike Clevinger, LF Greg Allen and Player To Be Named Later to San Diego Padres for C Austin Hedges, RHP Cal Quantrill, Josh Naylor, Gabriel Arias, Joey Cantillo and Owen Miller. |
| 08/31/20 | Cleveland Indians traded RHP Mike Clevinger, LF Greg Allen and Player To Be Named Later to San Diego Padres for C Austin Hedges, RHP Cal Quantrill, Josh Naylor, Gabriel Arias, Joey Cantillo and Owen Miller. |
| 08/31/20 | Cleveland Indians activated 1B Josh Naylor. |
| 08/31/20 | Cleveland Indians traded RHP Mike Clevinger, LF Greg Allen and Player To Be Named Later to San Diego Padres for C Austin Hedges, RHP Cal Quantrill, Josh Naylor, Gabriel Arias, Joey Cantillo and Owen Miller. |
| 08/31/20 | Cleveland Indians activated RF Josh Naylor. |
| 08/31/20 | Cleveland Indians activated 1B Josh Naylor. |
| 08/31/20 | Cleveland Indians traded RHP Mike Clevinger, LF Greg Allen and Player To Be Named Later to San Diego Padres for C Austin Hedges, RHP Cal Quantrill, Josh Naylor, Gabriel Arias, Joey Cantillo and Owen Miller. |
| 08/31/20 | Cleveland Indians traded RHP Mike Clevinger, LF Greg Allen and Player To Be Named Later to San Diego Padres for C Austin Hedges, RHP Cal Quantrill, Josh Naylor, Gabriel Arias, Joey Cantillo and Owen Miller. |
| 08/31/20 | Cleveland Indians traded RHP Mike Clevinger, LF Greg Allen and Player To Be Named Later to San Diego Padres for C Austin Hedges, RHP Cal Quantrill, Josh Naylor, Gabriel Arias, Joey Cantillo and Owen Miller. |
| 08/31/20 | Cleveland Indians invited non-roster LHP Joey Cantillo to spring training. |
| 08/31/20 | Cleveland Indians invited non-roster SS Owen Miller to spring training. |
| 08/31/20 | Cleveland Indians designated Domingo Santana for assignment. |
| 08/31/20 | Cleveland Indians optioned SS Yu Chang to Indians Alternate Training Site. |
| 08/31/20 | Cleveland Indians invited non-roster SS Gabriel Arias to spring training. |
| 08/31/20 | Cleveland Indians recalled RF Oscar Mercado from Indians Alternate Training Site. |
| 08/31/20 | Cleveland Indians traded RHP Mike Clevinger, LF Greg Allen and Player To Be Named Later to San Diego Padres for C Austin Hedges, RHP Cal Quantrill, Josh Naylor, Gabriel Arias, Joey Cantillo and Owen Miller. |
| 08/31/20 | Cleveland Indians traded RHP Mike Clevinger, LF Greg Allen and Player To Be Named Later to San Diego Padres for C Austin Hedges, RHP Cal Quantrill, Josh Naylor, Gabriel Arias, Joey Cantillo and Owen Miller. |
| 08/26/20 | Cleveland Indians recalled RHP Mike Clevinger from Indians Alternate Training Site. |
| 08/26/20 | Cleveland Indians optioned C Beau Taylor to Indians Alternate Training Site. |
| 08/24/20 | Cleveland Indians activated C Sandy Leon. |
| 08/24/20 | Cleveland Indians optioned LHP Logan Allen to Indians Alternate Training Site. |
| 08/22/20 | Cleveland Indians optioned CF Bradley Zimmer to Indians Alternate Training Site. |
| 08/22/20 | Cleveland Indians recalled RHP Triston McKenzie from Indians Alternate Training Site. |
| 08/18/20 | Cleveland Indians recalled LF Greg Allen from Indians Alternate Training Site. |
| 08/18/20 | C Sandy Leon roster status changed by Cleveland Indians. |
| 08/17/20 | Cleveland Indians optioned RF Oscar Mercado to Indians Alternate Training Site. |
| 08/14/20 | Cleveland Indians reassigned RHP Zach Plesac to the minor leagues. |
| 08/14/20 | Cleveland Indians optioned RHP Zach Plesac to Indians Alternate Training Site. |
| 08/14/20 | Cleveland Indians optioned RHP Mike Clevinger to Indians Alternate Training Site. |
| 08/14/20 | Cleveland Indians reassigned RHP Mike Clevinger to the minor leagues. |
| 08/13/20 | Boston Red Sox claimed 3B Christian Arroyo off waivers from Cleveland Indians. |
| 08/11/20 | Cleveland Indians activated RF Tyler Naquin from the 10-day injured list. |
| 08/11/20 | Cleveland Indians placed RHP Mike Clevinger on the restricted list. |
| 08/11/20 | Cleveland Indians recalled Logan Allen from Indians Alternate Training Site. |
| 08/11/20 | Cleveland Indians placed RHP Zach Plesac on the restricted list. |
| 08/06/20 | Cleveland Indians optioned LF Greg Allen to Indians Alternate Training Site. |
| 08/06/20 | Cleveland Indians designated 3B Christian Arroyo for assignment. |
| 08/06/20 | Cleveland Indians activated CF Delino DeShields from the 10-day injured list. |
| 08/06/20 | Cleveland Indians optioned RF Daniel Johnson to Indians Alternate Training Site. |
| 08/03/20 | Cleveland Indians invited non-roster C Cameron Rupp to spring training. |
| 08/01/20 | Miami Marlins traded cash to Cleveland Indians for RHP James Hoyt. |