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Pandemic creates uncertainty for Staten Island minor-league umpire
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Robo-umpiring has arrived in the minor leagues. Here's how it's been working. - The Boston Globe
If you aren't a white male, YER OUT of luck as an umpire - Global Sport Matters
Calling SYA Little League Baseball and Softball Umpires!
MLB to test pitch clock, 'robo umps' in minor leagues in 2002 - Sports Illustrated
Record number of Canadian pro umpires — Canadian Baseball Network
MiLB announces changes to umpire entities - MiLB Umpire Training Academy
San Diego County Baseball Umpires Association
Association of Minor League Umpires
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