Brewers Roster & Staff
Transactions
| Date | Transaction |
| 03/31/21 | Milwaukee Brewers optioned CF Tyrone Taylor to Brewers Alternate Training Site. |
| 03/30/21 | Milwaukee Brewers sent P Ray Black outright to Brewers Alternate Training Site. |
| 03/29/21 | Milwaukee Brewers signed free agent P Samuel Dario. |
| 03/29/21 | P Brad Boxberger assigned to Milwaukee Brewers . |
| 03/29/21 | P Brad Boxberger assigned to Milwaukee Brewers . |
| 03/27/21 | Milwaukee Brewers signed free agent P Jordan Zimmermann. |
| 03/27/21 | Milwaukee Brewers signed free agent P Jordan Zimmermann. |
| 03/26/21 | Milwaukee Brewers released P Brad Boxberger. |
| 03/25/21 | Milwaukee Brewers released P Jordan Zimmermann. |
| 03/21/21 | Milwaukee Brewers signed free agent P Jose Chavez. |
| 03/21/21 | 3B Luis Castro assigned to Milwaukee Brewers . |
| 03/21/21 | 3B Luis Castro assigned to Milwaukee Brewers . |
| 03/20/21 | Milwaukee Brewers optioned P Angel Perdomo to Nashville Sounds. |
| 03/20/21 | Milwaukee Brewers optioned P Eric Lauer to Nashville Sounds. |
| 03/19/21 | Milwaukee Brewers optioned C Luke Maile to Nashville Sounds. |
| 03/19/21 | Milwaukee Brewers signed free agent P Zack Godley. |
| 03/16/21 | Milwaukee Brewers optioned P Phil Bickford to Nashville Sounds. |
| 03/16/21 | Milwaukee Brewers placed 2B Mark Mathias on the 60 day disabled list. |
| 03/16/21 | Milwaukee Brewers selected the contract of 3B Travis Shaw from Nashville Sounds. |
| 03/16/21 | Milwaukee Brewers selected the contract of 3B Travis Shaw. |
| 03/16/21 | Milwaukee Brewers selected the contract of 3B Travis Shaw. |
| 03/12/21 | Milwaukee Brewers optioned CF Corey Ray to Nashville Sounds. |
| 03/12/21 | Milwaukee Brewers optioned P Alec Bettinger to Nashville Sounds. |
| 03/12/21 | Milwaukee Brewers optioned P Dylan File to Nashville Sounds. |
| 03/12/21 | Milwaukee Brewers optioned C Mario Feliciano to Nashville Sounds. |
| 03/08/21 | Milwaukee Brewers placed 2B Tim Lopes on the 60 day disabled list. |
| 03/08/21 | Milwaukee Brewers signed free agent CF Jackie Bradley Jr.. |
| 03/08/21 | Milwaukee Brewers signed free agent CF Jackie Bradley Jr.. |
| 03/08/21 | Milwaukee Brewers signed free agent CF Jackie Bradley Jr.. |
| 03/05/21 | Milwaukee Brewers signed free agent P Phili Silverio. |