Stratton is expected to be sidelined for 7-to-10 months after undergoing surgery Monday to repair a patella tendon rupture in his left knee, Alex Stumpf of MLB.com reports.

The Pirates placed Stratton (knee) on the 60-day injured list Sunday.

Stratton was carted off the field Saturday against Cincinnati with what seems to be a left knee injury after slipping and falling into the wall tracking down a wild pitch, Jason Mackey of the Pittsburgh Post-Gazette reports.

the Pirates recalled Stratton from Triple-A Indianapolis on Monday, Alex Stumpf of MLB.com reports.

The Pirates activated Stratton (triceps) from the 15-day injured list Friday.

Stratton (triceps) will continue his rehab assignment at Triple-A Indianapolis on Friday, Alex Stumpf of MLB.com reports.

Stratton (tricep) will begin a rehab assignment Monday in the rookie-level Florida Complex League.

Stratton (triceps) is expected to throw off a slope in the coming days, Andrew Destin of the Pittsburgh Post-Gazette reports Tuesday.

The Pirates placed Stratton on the 15-day injured list Friday with a right triceps strain, Kevin Gorman of TribLive.com reports.

Stratton was removed from Thursday's appearance in St. Louis with an apparent right shoulder injury, Andrew Destin of the Pittsburgh Post-Gazette reports.