Brewers Roster & Staff
Transactions
| Date | Transaction |
| 07/31/21 | Milwaukee Brewers activated LHP Daniel Norris. |
| 07/31/21 | Milwaukee Brewers activated RHP John Curtiss. |
| 07/31/21 | Milwaukee Brewers placed RHP Jandel Gustave on the 10-day injured list. |
| 07/31/21 | Milwaukee Brewers sent RHP Justin Topa on a rehab assignment to Nashville Sounds. |
| 07/31/21 | Milwaukee Brewers placed RHP Jake Cousins on the 10-day injured list. |
| 07/30/21 | Milwaukee Brewers signed OF Jace Avina. |
| 07/30/21 | 2B Tim Lopes changed number to --. |
| 07/30/21 | Milwaukee Brewers optioned 2B Keston Hiura to Nashville Sounds. |
| 07/30/21 | Miami Marlins traded RHP John Curtiss to Milwaukee Brewers for C Payton Henry. |
| 07/30/21 | Miami Marlins traded RHP John Curtiss to Milwaukee Brewers for C Payton Henry. |
| 07/30/21 | Detroit Tigers traded LHP Daniel Norris to Milwaukee Brewers for RHP Reese Olson. |
| 07/30/21 | Milwaukee Brewers activated 3B Eduardo Escobar. |
| 07/30/21 | Detroit Tigers traded LHP Daniel Norris to Milwaukee Brewers for RHP Reese Olson. |
| 07/30/21 | Milwaukee Brewers signed LHP Jakob Brustoski. |
| 07/30/21 | Milwaukee Brewers designated RHP Patrick Weigel for assignment. |
| 07/29/21 | Milwaukee Brewers sent 1B Daniel Vogelbach on a rehab assignment to Nashville Sounds. |
| 07/28/21 | Milwaukee Brewers traded C Cooper Hummel and 2B Alberto Ciprian to Arizona Diamondbacks for 3B Eduardo Escobar. |
| 07/28/21 | Milwaukee Brewers traded C Cooper Hummel and 2B Alberto Ciprian to Arizona Diamondbacks for 3B Eduardo Escobar. |
| 07/28/21 | Milwaukee Brewers traded C Cooper Hummel and 2B Alberto Ciprian to Arizona Diamondbacks for 3B Eduardo Escobar. |
| 07/27/21 | Milwaukee Brewers sent RHP Dylan File on a rehab assignment to Nashville Sounds. |
| 07/27/21 | Milwaukee Brewers sent 3B Travis Shaw on a rehab assignment to Nashville Sounds. |
| 07/27/21 | Milwaukee Brewers activated RHP Devin Williams from the 10-day injured list. |
| 07/27/21 | Milwaukee Brewers recalled 3B Pablo Reyes from Nashville Sounds. |
| 07/27/21 | Milwaukee Brewers signed free agent RHP Shane Smith to a minor league contract. |
| 07/27/21 | Milwaukee Brewers activated CF Lorenzo Cain. |
| 07/27/21 | Milwaukee Brewers optioned LHP Angel Perdomo to Nashville Sounds. |
| 07/27/21 | Milwaukee Brewers placed LF Christian Yelich on the 10-day injured list. |
| 07/27/21 | Milwaukee Brewers signed RHP Trevor Tietz. |
| 07/27/21 | Milwaukee Brewers placed 2B Jace Peterson on the 10-day injured list. |
| 07/26/21 | Milwaukee Brewers signed OF Tristan Peters. |
| 07/26/21 | Milwaukee Brewers signed RHP Carlos Rodriguez. |
| 07/25/21 | Milwaukee Brewers signed 2B Zack Raabe. |
| 07/25/21 | Milwaukee Brewers signed RHP Logan Henderson. |
| 07/23/21 | Milwaukee Brewers signed RHP Brannon Jordan. |
| 07/23/21 | Milwaukee Brewers signed LHP Russell Smith. |
| 07/23/21 | Milwaukee Brewers signed free agent RHP Raul Mendoza to a minor league contract. |
| 07/23/21 | Milwaukee Brewers signed free agent SS Kaylan Nicasia to a minor league contract. |
| 07/23/21 | Milwaukee Brewers signed free agent C Darlin Lora to a minor league contract. |
| 07/23/21 | Milwaukee Brewers signed RHP Ryne Moore. |
| 07/23/21 | Milwaukee Brewers signed free agent OF Irving Igualas to a minor league contract. |
| 07/22/21 | Milwaukee Brewers signed C Wes Clarke. |
| 07/22/21 | Milwaukee Brewers signed SS Ethan Murray. |
| 07/22/21 | Milwaukee Brewers signed free agent C Brayan Oropeza to a minor league contract. |
| 07/20/21 | Milwaukee Brewers signed 3B Alex Binelas. |
| 07/20/21 | Milwaukee Brewers signed OF Sal Frelick. |
| 07/20/21 | Milwaukee Brewers signed 2B Tyler Black. |
| 07/19/21 | Milwaukee Brewers sent RHP Justin Topa on a rehab assignment to Biloxi Shuckers. |
| 07/18/21 | Milwaukee Brewers sent RHP Justin Topa on a rehab assignment to Biloxi Shuckers. |
| 07/17/21 | Milwaukee Brewers sent RHP Dylan File on a rehab assignment to Wisconsin Timber Rattlers. |
| 07/17/21 | Milwaukee Brewers placed RHP Devin Williams on the 10-day injured list. Right elbow discomfort. |
| 07/17/21 | Milwaukee Brewers recalled LHP Angel Perdomo from Nashville Sounds. |
| 07/16/21 | Milwaukee Brewers signed free agent RHP Braudin Ciprian to a minor league contract. |
| 07/16/21 | Milwaukee Brewers optioned 3B Pablo Reyes to Nashville Sounds. |
| 07/16/21 | Seattle Mariners claimed RHP Ryan Weber off waivers from Milwaukee Brewers. |
| 07/16/21 | Milwaukee Brewers activated 2B Kolten Wong from the 10-day injured list. |
| 07/16/21 | Milwaukee Brewers signed free agent RHP Hamlet Vasquez to a minor league contract. |
| 07/14/21 | Milwaukee Brewers optioned LHP Kyle Lobstein to Nashville Sounds. |
| 07/13/21 | Milwaukee Brewers signed free agent RHP Jesael Cabrera to a minor league contract. |
| 07/13/21 | Milwaukee Brewers designated RHP Ryan Weber for assignment. |
| 07/13/21 | Milwaukee Brewers sent 2B Daniel Robertson outright to Nashville Sounds. |
| 07/13/21 | Milwaukee Brewers sent RHP Justin Topa on a rehab assignment to ACL Brewers Blue. |
| 07/13/21 | Milwaukee Brewers optioned LHP Kyle Lobstein to Nashville Sounds. |
| 07/13/21 | Washington Nationals traded LHP Kyle Lobstein to Milwaukee Brewers for cash. |
| 07/13/21 | Milwaukee Brewers signed free agent RHP Darling Solano to a minor league contract. |
| 07/09/21 | Milwaukee Brewers signed free agent C Eric Martinez to a minor league contract. |
| 07/09/21 | Milwaukee Brewers sent RHP Dylan File on a rehab assignment to ACL Brewers Blue. |
| 07/08/21 | Milwaukee Brewers signed free agent RHP Henrison Mota to a minor league contract. |
| 07/08/21 | Milwaukee Brewers optioned LHP Hoby Milner to Nashville Sounds. |
| 07/08/21 | Milwaukee Brewers signed free agent SS Demetrio Nadal to a minor league contract. |
| 07/07/21 | Milwaukee Brewers designated 2B Daniel Robertson for assignment. |
| 07/07/21 | 1B Rowdy Tellez assigned to Milwaukee Brewers. |
| 07/07/21 | Milwaukee Brewers selected the contract of RHP Jandel Gustave from Nashville Sounds. |
| 07/06/21 | Milwaukee Brewers activated LHP Brett Anderson from the 10-day injured list. |
| 07/06/21 | Toronto Blue Jays traded 1B Rowdy Tellez to Milwaukee Brewers for RHP Bowden Francis and RHP Trevor Richards. |
| 07/06/21 | Toronto Blue Jays traded 1B Rowdy Tellez to Milwaukee Brewers for RHP Bowden Francis and RHP Trevor Richards. |
| 07/06/21 | Milwaukee Brewers traded LHP Nathan Kirby to Pittsburgh Pirates. |
| 07/06/21 | Toronto Blue Jays traded 1B Rowdy Tellez to Milwaukee Brewers for RHP Bowden Francis and RHP Trevor Richards. |
| 07/04/21 | Pittsburgh Pirates traded 3B Kevin Kramer to Milwaukee Brewers. |
| 07/02/21 | Milwaukee Brewers optioned RHP Alec Bettinger to Nashville Sounds. |
| 07/02/21 | Milwaukee Brewers recalled LHP Hoby Milner from Nashville Sounds. |
| 07/02/21 | Milwaukee Brewers recalled 3B Pablo Reyes from Nashville Sounds. |
| 07/02/21 | Milwaukee Brewers placed 2B Kolten Wong on the 10-day injured list. Left calf tightness. |
| 07/01/21 | Milwaukee Brewers optioned LHP Angel Perdomo to Nashville Sounds. |
| 07/01/21 | Milwaukee Brewers signed free agent RHP Christian Tripp to a minor league contract. |
| 07/01/21 | Milwaukee Brewers optioned LHP Aaron Ashby to Nashville Sounds. |
| 07/01/21 | Milwaukee Brewers signed free agent RHP Nate Peden to a minor league contract. |
| 07/01/21 | Milwaukee Brewers recalled RHP Alec Bettinger from Nashville Sounds. |