Brewer elected free agency Monday, Maddie Lee of the Chicago Sun-Times reports.
Brewer (hand) began a rehab assignment Saturday at Triple-A Iowa and struck out one batter over a perfect inning.
Brewer (hand) threw a live batting practice session Tuesday, Maddie Lee of the Chicago Sun-Times reports.
The Cubs placed Brewer on the 60-day injured list Sunday with a fractured left hand, Taylor McGregor of Marquee Sports Network reports.
The Cubs reinstated Brewer (back) from the injured list Tuesday, Maddie Lee of the Chicago Sun-Times reports.
Brewer (back) will begin a rehab assignment with Triple-A Iowa on Friday, Tony Andracki of Marquee Sports Network reports.
The Cubs placed Brewer on the 15-day injured list Friday with a lower-back injury, Taylor McGregor of Marquee Sports Network reports.
The Cubs selected Brewer's contract from Triple-A Iowa on Wednesday, Taylor McGregor of Marquee Sports Network reports.
The Cubs reassigned Brewer to minor-league camp Thursday, Andy Martinez of Marquee Sports Network reports.
Brewer signed a contract with the Cubs on Jan. 31, according to the pitcher's Instagram account.