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Phillies' Zack Wheeler to Undergo Surgery After Blood Clot Removal, Out for Season

Wheeler leads the National League with 195 strikeouts but faces 6-8 months sidelined due to additional surgery for venous thoracic outlet syndrome.

  • On Saturday, the Philadelphia Phillies announced Zack Wheeler will require season-ending surgery and miss the remainder of the regular season and postseason, confirmed via the Phillies' official X account.
  • After his Aug. 18 clot-removal procedure, doctors diagnosed Wheeler with venous thoracic outlet syndrome and recommended thoracic outlet decompression surgery in the coming weeks.
  • The 35-year-old right-hander was 10-5 with a 2.71 ERA across 24 starts and led the National League with 195 strikeouts and a 0.94 WHIP, last pitching on Aug. 15 with 97 pitches.
  • The team said recovery will likely take six to eight months, a timeline that challenges Philadelphia Phillies' championship hopes and could prompt calling up top pitching prospect Andrew Painter.
  • As of Friday, Zack Wheeler is still seeking medical opinions, and Phillies manager Rob Thomson said the team expects to know more in the next couple of days; surgery could threaten Wheeler's ability to be ready for Opening Day 2026.
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Phillies ace Zack Wheeler needs additional surgery, is out for the rest of the season

The Philadelphia Phillies say ace Zack Wheeler was diagnosed with venous thoracic outlet syndrome and will require additional surgery that’s expected to sideline him for six to eight months.

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philliesnation.com broke the news in on Friday, August 22, 2025.
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