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

One Out From Perfect Game, Tigers Pitcher Is Thwarted by Umpire's Call - The New York Times

MLB: Angel Hernandez lost World Series gig due to missed calls

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

Tips to Help a Base Umpire with Timing - Little League

Bernice Gera and the Trial of Being First – Society for American Baseball Research

Umpire hospitalized after getting hit in head by relay throw

The future is now as 'robot umpires' debut in Atlantic League

Robot Umpires Strike Zone: It's Not as Simple as You Think

Beyond the grunt: Umpires mic up, and baseball changes a bit

Jen Pawol becomes the first woman to umpire a spring training game since 2007 – NewsNation

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

Rangers' Nathaniel Lowe, other MLB players find less time for small talk with pitch clock

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

First base umpire Lew Williams has 3 calls overturned in Nationals-Phillies game

The ROOTS of Honoring the Game – How to Challenge a Call by an Official - PCA