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Zack Wheeler Undergoes Blood Clot Procedure, Return Uncertain

Losing their ace to a blood clot procedure Monday forces the NL East leaders into urgent rotation reshuffling with their bullpen under strain.

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PHILADELPHIA, PENNSYLVANIA - JUNE 9: Zack Wheeler #45 of the Philadelphia Phillies looks on against the Chicago Cubs at Citizens Bank Park on June 9, 2025 in Philadelphia, Pennsylvania. The Phillies defeated the Cubs 4-3 in extra innings. (Photo by Mitchell Leff/Getty Images)
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Overview

  • Wheeler was placed on the 15-day injured list Saturday after doctors diagnosed a blood clot in his right upper extremity and underwent a successful thrombolysis procedure Monday morning.
  • Manager Rob Thomson said the club has no timeline for Wheeler’s recovery and cannot confirm whether he will pitch again this season.
  • Aaron Nola’s return start on Sunday ended early after six earned runs in the third inning, underscoring growing concerns about rotation depth without Wheeler.
  • The Phillies recalled right-hander Nolan Hoffman from Triple-A and will activate closer José Alvarado when his suspension ends to bolster a taxed bullpen.
  • Top prospect Andrew Painter is a leading candidate for a call-up as Philadelphia considers adding a sixth starter to stabilize its staff.