First-Base Umpires Call Them as They Hear Them - The New York Times

Invasion of the Robot Umpires

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

Opinion With Pitch Clock, Baseball Has Lost Its Poetry - The New York Times

Robot umpire: Baseball edges closer to implementing automatic strike zone in major leagues

Umpire hospitalized after getting hit in head by relay throw

Why MLB umpires hope the art of the signature punch out won't be lost - The Athletic

Codify] MLB umpires missed over 21,000 balls & strikes calls during the 2023 regular season. It was their best season ever. : r/baseball

Opinion Getting Beyond Balls and Strikes - The New York Times

The road is rough — but these wannabe Major League Baseball umpires are keeping their eyes on the ball

The road is rough — but these wannabe Major League Baseball umpires are keeping their eyes on the ball

Steal first base? Robot umpires? Gauging reaction to the Atlantic League's experimental rules – The Morning Call

Umpire Position With A Runner on First

MLB umpires need tech help at the plate, says researcher

Can you still yell at robot umpires? Future of baseball getting mixed reviews in minors

So that's why they slide into first base