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

Give the umpires a break, strike trackers should be banned from MLB broadcasts – New York Daily News

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

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

For Volunteer Umpires, Little League World Series in the Pinnacle - The New York Times

American Professional Baseball Outfielder First Baseman Editorial

Don Denkinger, 86, Top Umpire Remembered for Botched Call, Dies - The New York Times

Baseball Umpires Don't Get Overtime. Does That Affect Extra Innings? : NPR

Umpire Position With A Runner on First

Right or wrong, Fieldin's choice is the word on major league diamonds

MLB umpires need tech help at the plate, says researcher