How MLB Umpires Learned to Explain Replays to Crowds - The New York Times

MLB umpires should be mic'd up to explain reviews and ejections

MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps

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MLB: Umpires will announce review decisions to crowd

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MLB doubles camera angles for video reviews of umpires

The Screwball: Self-limiting replay system sets up MLB for

10 Secrets of MLB Umpires

It's a Really Weird Time to Be an Umpire - The New York Times

Aaron Boone ejected over rules debate; Yankees rally to beat Guardians

Baseball should expand instant replay by giving each manager three

Baseball umpires aren't born knowing all the rules - Los Angeles Times

Play Ball! UConn Magazine

Should MLB expand instant replay?

Primer on How Expanded Instant Replay Will Work - The New York

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