How MLB Umpires Learned to Explain Replays to Crowds - The New York Times
MLB umpires get support from players in 'perfectly imperfect' game
How Umpires Work
Umpiring a World Series game is extremely hard and MLB umps are great at it
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MLB - Starting this season, Major League umpires will conduct in-park, on-field announcements to inform the crowd of instant replay review decisions. atmlb.com/3uLQqFh
How MLB Umpires Learned to Explain Replays to Crowds - The New York Times
AP sources: MLB umpire tests positive for virus, crews shift
Rookie MLB ump from hard times: Yankee Stadium, full count, Aaron Judge, 9th inning 'piece of cake'
They Call 'Em Like They See 'Em - Twinkie Town
As They See 'Em: A Fan's Travels in the Land of Umpires: Weber, Bruce: 9780743294133: : Books
Umpire (baseball) - Wikipedia
Baseball should expand instant replay by giving each manager three challenges per game – New York Daily News
He Catches What Umps Might Miss - The New York Times
MLB umpires may soon take to mic to explain replays – The Denver Post