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

Before Balls and Strikes, Umpires Make a Call to Pray - The New York Times

Making the Call: Your Decision to Umpire - Little League

Umpires Are Less Blind Than They Used To Be

MLB: Umpire Hernandez blew calls, losing World Series job

Rookie umpire blows one Phillies call — then makes it much worse

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

Baseball Umpires Aren't Perfect, OK? : 13.7: Cosmos And Culture : NPR

How well do umpires call balls and strikes? - Beyond the Box Score

Joe West: Legendary MLB umpire sets career record for games

American Professional Baseball Outfielder First Baseman Editorial

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Las Cruces native Doug Eddings to umpire first World Series

Worst Call Ever? Sure. Kill the Umpires? Never. - The New York Times

Umpire hospitalized after getting hit in head by relay throw

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