Major League Baseball umpires: Danger zone ahead?

Robo-umpiring has arrived in the minor leagues. Here's how it's been working. - The Boston Globe

Column: MLB experimenting with robo-umpires in minors

Major League Baseball umpires: Danger zone ahead?

Hoornstra: Major league umpires, minus a few veterans, get a crash course in new baseball – Daily News

Angel Hernandez is the Worst Umpire in MLB History

World Series umpire, Santa Cruz native Bill Miller talks all things baseball in crazy COVID-19 season – Santa Cruz Sentinel

Owensboro native and MLB umpire still in hospital after being struck in the head by baseball

MLB Suspends Marlins' Season through Weekend amid Outbreak

MLB umpire Malachi Moore a trailblazer from Compton Youth Academy

Rockies waste strong start by Noah Davis loss to Phillies

Why do MLB umpires position over the inside corner when 80% of the pitches are over the outside corner where most of the miss calls are made? - Quora

BenFred: Max Scherzer's rosin drama should send MLB pitchers running to the sink

Perspectives: Baseball umpires spur litigation in Minnesota – Minnesota Lawyer

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

Please Major League Baseball, say no to robot strike zone