Ten MLB Umpires Retiring, Most Since 1999
MLB Rumors: Ted Barrett & Greg Gibson Among 10 Umpires Retiring
Chart: Which MLB umpires performed the worst in replay reviews? – The Denver Post
Ten MLB umpires are 'set to retire at the end of the month' - the LARGEST turnover since 1999
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Ten MLB Umpires Retiring, Most Since 1999
Close Call Sports & Umpire Ejection Fantasy League: Jackpot Umpire Tom Hallion Retires After Lengthy Career
Guardians manager Terry Francona hospitalized after feeling ill before game against Royals – NewsNation
Marlborough's Jim Reynolds calls it a career after 24 years as an MLB umpire - The Boston Globe
Former Greyhound and Bulldog Bob Davidson never gave up on his dream of being a Major League Baseball umpire - Duluth News Tribune
Umpire (baseball) - Wikipedia
The Average Umpire Is Almost 50. The Best Ones Might Be in Their 30s. - WSJ