Brewers Roster & Staff
Transactions
| Date | Transaction |
| 01/30/18 | Milwaukee Brewers designated C Andrew Susac for assignment. |
| 01/30/18 | Milwaukee Brewers signed free agent RHP Matt Albers. |
| 01/30/18 | Milwaukee Brewers signed free agent SS Shane Opitz to a minor league contract. |
| 01/29/18 | Milwaukee Brewers signed free agent 3B Gabriel Noriega to a minor league contract. |
| 01/26/18 | Milwaukee Brewers released LHP Wei-Chung Wang. |
| 01/26/18 | Milwaukee Brewers signed free agent CF Lorenzo Cain. |
| 01/25/18 | Miami Marlins traded CF Christian Yelich to Milwaukee Brewers for CF Lewis Brinson, 2B Isan Diaz, CF Monte Harrison and RHP Jordan Yamamoto. |
| 01/25/18 | Miami Marlins traded CF Christian Yelich to Milwaukee Brewers for CF Lewis Brinson, 2B Isan Diaz, CF Monte Harrison and RHP Jordan Yamamoto. |
| 01/25/18 | Miami Marlins traded CF Christian Yelich to Milwaukee Brewers for CF Lewis Brinson, 2B Isan Diaz, CF Monte Harrison and RHP Jordan Yamamoto. |
| 01/25/18 | Miami Marlins traded CF Christian Yelich to Milwaukee Brewers for CF Lewis Brinson, 2B Isan Diaz, CF Monte Harrison and RHP Jordan Yamamoto. |
| 01/25/18 | Miami Marlins traded CF Christian Yelich to Milwaukee Brewers for CF Lewis Brinson, 2B Isan Diaz, CF Monte Harrison and RHP Jordan Yamamoto. |
| 01/19/18 | Milwaukee Brewers signed free agent RHP Ernesto Frieri to a minor league contract and invited him to spring training. |
| 01/19/18 | Milwaukee Brewers invited non-roster RHP Luis Ortiz to spring training. |
| 01/19/18 | Milwaukee Brewers invited non-roster 2B Keston Hiura to spring training. |
| 01/19/18 | Milwaukee Brewers invited non-roster CF Kyle Wren to spring training. |
| 01/19/18 | Milwaukee Brewers invited non-roster RHP Jon Perrin to spring training. |
| 01/19/18 | Milwaukee Brewers invited non-roster RHP Corbin Burnes to spring training. |
| 01/19/18 | Milwaukee Brewers invited non-roster 2B Nate Orf to spring training. |
| 01/15/18 | Milwaukee Brewers signed free agent 1B Ji-Man Choi to a minor league contract and invited him to spring training. |
| 01/10/18 | Milwaukee Brewers signed free agent RHP J.J. Hoover to a minor league contract and invited him to spring training. |
| 01/10/18 | Milwaukee Brewers signed free agent LHP Boone Logan. |
| 01/10/18 | Milwaukee Brewers signed free agent LHP Nick Ramirez to a minor league contract. |
| 01/10/18 | Milwaukee Brewers released RHP Taylor Jungmann. |
| 01/08/18 | Milwaukee Brewers signed free agent C Christian Bethancourt to a minor league contract and invited him to spring training. |
| 01/02/18 | Milwaukee Brewers traded RHP Dylan Baker to Los Angeles Dodgers for cash. |