MLB umpire job responsibilities
MLB argues umpire Angel Hernandez's 3 overturned calls in 2018
MLB umpire salary: How much do they take home on average?
MLB umpires have a new signal to call this spring - Sports Illustrated
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Hallion, Tom - Umpire Ejection Fantasy League Portal
Gibson makes final call: MLB umpire retires after 24-year career
The History of Umpiring
MLB umpire rankings: Pat Hoberg is baseball's most accurate ump
MLB umpire's race discrimination suit moved to New York court
Gay umpire Dale Scott's autobiography comes out a winner - Outsports