Philadelphia Phillies ace Zack Wheeler underwent a "successful thrombolysis procedure to remove a blood clot in his right upper extremity" on Monday, the team announced. Further treatment and a recovery timetable are still be determined.

Phillies right-handed pitcher Zack Wheeler underwent successful thrombolysis surgery Monday to remove a blood clot in his right shoulder.

Philadelphia Phillies ace Zack Wheeler had surgery Monday to remove a blood clot in his upper right arm, and the team says a timeline for his recovery remains uncertain.