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.

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.

The Phillies ace will miss the rest of 2025 and likely a portion of the 2026 season. Visit MLB Trade Rumors for more details.