Bae (hip) was activated from the 10-day injured list by the Pirates on Sunday and optioned to Triple-A Indianapolis, Noah Hiles of the Pittsburgh Post-Gazette reports.
Bae (hip) began a rehab assignment with Low-A Bradenton on Sunday.
The Pirates placed Bae on the 10-day injured list Thursday with a left hip flexor strain.
Pirates director of sports medicine Todd Tomczyk said Monday that Bae (hip) is now able to go through full baseball activities, Jason Mackey of the Pittsburgh Post-Gazette reports.
Bae (hip) will begin the season on the 10-day injured list, Alex Stumpf of MLB.com reports.
Bae (hip) will begin a running progression next week, Jason Mackey of the Pittsburgh Post-Gazette reports.
Pirates director of sports medicine Todd Tomczyk said Wednesday that Bae (hip) is currently limited to playing catch and taking part in advanced workouts in the weight room, Jason Mackey of the Pittsburgh Post-Gazette reports.
Bae isn't in the Pirates' lineup Friday against the Marlins, Jason Mackey of the Pittsburgh Post-Gazette reports.
Bae is not in the lineup for Wednesday's contest in Philadelphia.
Bae is out of the lineup for Sunday's game against the Reds, Jason Mackey of the Pittsburgh Post-Gazette reports.