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Jameson Taillon Exits Early with Left Hamstring Strain

The injury intensifies the Cubs’ rotation shortage and will force quick roster decisions after imaging determines Taillon’s recovery timeline.

Overview

  • Taillon left the San Francisco Giants game in the second inning on Sunday after walking Matt Chapman and was diagnosed by the team with a left hamstring strain, sources including ESPN reported.
  • Play-by-play video and reports show Taillon motioned for trainers on the mound and was checked by the team trainer and manager before leaving the game with no outs in the second inning.
  • The Cubs already have multiple starters on the injured list, with Cade Horton out for the season, Matthew Boyd rehabbing in Triple-A, and Justin Steele still sidelined after a 2025 UCL revision and subsequent flexor strain.
  • Chicago plans imaging to gauge the severity and length of Taillon’s absence, and right-hander Jordan Wicks is the likeliest immediate in-house replacement because 40-man rotation depth is limited.
  • Taillon’s poor 2026 results, the team’s 34-31 standing in a tight Wild Card mix, and limited internal options increase the chance the Cubs will explore outside pitching help before the trade deadline, analysts say.