CSG Chicago White Sox

Umpire Brian O'Nora out indefinitely after sustaining concussion during Cubs-White Sox game Saturday night

Chicago Sun-Times

Brian O’Nora, who has been umpiring in the major leagues since 1992, will be out indefinitely after he said he sustained a concussion during...

Published: May 17, 2026, 12:25 pm Added: May 17, 2026, 12:31 pm

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