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Stephen Kolek Injury: Begins mound work

Written by RotoWire Staff

Published on March 18, 2026

Kolek (oblique) threw a bullpen session Wednesday, Anne Rogers of MLB.com reports.

Wednesday marked Kolek's first time throwing off a mound since he suffered a left oblique strain in late February. With just nine days remaining until the Royals' regular-season opener, it's unlikely that the 28-year-old righty will have enough time before then to build up to a starter's workload. However, he may be able to work as a multi-inning reliever in the meantime.

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