In 1973, new fashion for baseball umpires was strictly a judgment call - The Boston Globe
Baseball Umpires in 1921 – Society for American Baseball Research
Thanks - San Fernando Valley Baseball Umpires Association
MLB's All-Star fashion statement struck out looking - The Boston Globe
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There's an art to it:' The blown call against Kevin Plawecki and the Red Sox isn't enough to make him want a robot ump - The Boston Globe
Umpire (baseball) - Wikiwand
IPFW www.IndianaRBI.com
2023 BASEBALL HANDBOOK by Suggitt Publishers - Issuu
Controversial postseason pitching decisions
Remembering Gene Michael
San Fernando Valley Baseball Umpires Association - SFVBUA staff members Alex Sanchez and Devin Shehab at 2018 BBUC Riverside
