Zack Wheeler is one of the Phillies best starters alongside Aaron Nola. After a blood clot was found, he is now facing a scary timeline for returning in time for a playoff run.

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 ace Zack Wheeler underwent thrombolysis surgery Monday morning to remove a blood clot near his right shoulder. The Phillies said Wheeler had the procedure, performed by Dr. Paul DiMuzio, at Thomas Jefferson University Hospital. The club said Wheeler's timeline to return and further treatment options are to be determined.