Seattle Mariners
PITCHER HEALTH
Preseason 2026 injury analysis, durability risk profiles, and return timelines for the Seattle Mariners pitching rotation.
ROTATION OUTLOOK
Seattle features one of MLB's healthiest and most durable rotations. Gilbert and Woo anchor a staff with minimal injury concerns, giving the Mariners a significant competitive advantage.
KEY PITCHERS
Bryan Woo
RHP • #1 Starter
Injury History
Limited injury history. Rising young ace. Clean health record.
Durability Risk Profile
Woo leads Seattle's rotation with excellent early-career durability. His clean health record and rising talent make him the Mariners' most reliable starter.
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Logan Gilbert
RHP • #2 Starter
Injury History
Remarkably durable. Consistent 200+ IP seasons. Iron-man reliability.
Durability Risk Profile
Gilbert has been one of baseball's most durable starters, consistently logging 200+ innings without major injuries.
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Luis Castillo
RHP • #3 Starter
Injury History
Generally durable veteran. High mileage (past peak). Minor injury history.
Durability Risk Profile
Castillo has been durable throughout his career but is past his peak years. While his health record is solid, age and cumulative innings suggest moderate risk.
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George Kirby
RHP • #4 Starter
Injury History
Clean injury history. Consistent young starter. Excellent durability.
Durability Risk Profile
Kirby has shown excellent durability early in his career with consistent health.
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Bryce Miller
RHP • #5 Starter
Injury History
Limited major injury history. Young arm with clean record.
Durability Risk Profile
Miller rounds out one of baseball's healthiest rotations with minimal injury concerns.
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Logan Evans
RHP • #6 Starter
Injury History
Tommy John surgery (January 23, 2026). Out for entire 2026 season.
Durability Risk Profile
Evans underwent Tommy John surgery in late January 2026 and is ruled out for the entire season. Standard 12-14 month recovery timeline puts his return in early 2027.
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