Ten MLB umpires are 'set to retire at the end of the month' - the LARGEST turnover since 1999

Game Release: Ravens at Steelers by Baltimore Ravens - Issuu

Padres are 'open to trading Trent Grisham or Ha-Seong Kim' after signing Xander Bogaerts

Can an MLB umpire really tell where the ball crosses the plate without taking into account where the catcher's glove is when he catches it? - Quora

The Fates of the 22: MLB Umpire Resignations in 1999 – Society for American Baseball Research

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still left standing

Tim McClelland - Wikipedia

10 MLB Umpires Retire - Baseball Says Bye to 261 Years of On-Field Major League Umpiring Experience

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Regular Season Game 13 - Chiefs at Broncos (12-11-22) by Kansas City Chiefs - Issuu

Are MLB's older umpires in danger?

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