Brewers Roster & Staff
Transactions
| Date | Transaction |
| 01/30/12 | Milwaukee Brewers signed free agent LF Corey Patterson. |
| 01/27/12 | Milwaukee Brewers signed free agent RHP Vinnie Chulk to a minor league contract. |
| 01/17/12 | Milwaukee Brewers signed free agent RF Norichika Aoki. |
| 01/14/12 | Milwaukee Brewers invited non-roster LHP Daniel Meadows to spring training. |
| 01/14/12 | Milwaukee Brewers invited non-roster RHP Josh Butler to spring training. |
| 01/14/12 | Milwaukee Brewers invited non-roster C Patrick Arlis to spring training. |
| 01/11/12 | Milwaukee Brewers claimed Jeff Bianchi off waivers from Chicago Cubs. |
| 01/11/12 | Milwaukee Brewers signed free agent C Paul Phillips to a minor league contract and invited him to spring training. |
| 01/10/12 | Milwaukee Brewers signed free agent RHP Seth McClung to a minor league contract. |
| 01/09/12 | Milwaukee Brewers signed free agent 2B Brooks Conrad to a minor league contract and invited him to spring training. |
| 01/03/12 | Milwaukee Brewers signed free agent C Kevin Moscatel to a minor league contract. |