St. Louis Cardinals
PITCHER HEALTH
Preseason 2026 injury analysis, durability risk profiles, and return timelines for the St. Louis Cardinals pitching rotation.
Cross-check active roster status with official club announcements.
ROTATION OUTLOOK
St. Louis faces depth concerns with Hunter Dobbins and Riley O'Brien recovering from recent surgeries and strains, while Dustin May remains an extreme injury wildcard.
KEY PITCHERS
Hunter Dobbins
SP • #1 Starter
Injury History
Knee surgery (torn ACL) (08/12/25). Projected MiLB. Questionable for Opening Day.
Durability Risk Profile
ACL repairs affect leg drive and mechanical leverage for power starters. Dobbins must prove stability in his lower half during spring action.
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Riley O'Brien
RP • #2 Starter
Injury History
Strained calf (02/17/26). Projected Opening Day roster. Questionable for Opening Day.
Durability Risk Profile
Late-spring calf issues can linger and affect the landing leg mechanics. Low risk structurally, but timing is a concern for April readiness.
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Dustin May
RHP • #3 Starter
Injury History
Extensive surgery history (TJ, Flexor). Returned in late 2025. Healthy entering 2026 camp.
Durability Risk Profile
Extreme risk profile. May's durability has never been consistent. He is a high-upside anchor but requires a massive contingency plan.
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Matthew Liberatore
LHP • #4 Starter
Injury History
Generally healthy career. Consistent multi-inning and starter workload. No major arm injuries.
Durability Risk Profile
Liberatore is a low-risk durability asset. He has shown stability across various pitching roles.
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Michael McGreevy
RHP • #5 Starter
Injury History
Minimal injury history. High career IP in minors and 2025 MLB debut. Clean arm record.
Durability Risk Profile
McGreevy provides high-reliability innings for the mid-rotation. Among the lowest risks on the staff.
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