Philadelphia star pitcher Zack Wheeler will be out six to eight months following surgery to remove a blood clot in his upper right arm, the Phillies announced Saturday. Wheeler, a right hander, had a follow-up evaluation and received second opinions this week after his successful on Monday.

The Philadelphia Phillies announced that starting pitcher Zack Wheeler has been diagnosed with venous thoracic outlet syndrome and will undergo surgery with a recovery time of six to eight months.

This article was originally published on www.si.com/mlb/phillies as Phillies Fans Get First Chance To See Former Top Prospect Pitch for New Team. The Philadelphia Phillies and their fans saw something on Friday night that doesn't happen often: Jhoan Duran blew a save.