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

Professional Umpire School Graduates: Class of 2013

On the Long Road, Committed to a Goal of Officiating in the Major Leagues - The New York Times

MLB spring training: Southaven umpire keeps major league baseball dream

Umpire school graduates selected to work All-Star Games.

July 2023 Calls of the Month - Umpires Tomlinson, Hoye, Ortiz, Vondrak & Carapazza

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

Tempers flare after outrageous called third strike ends college game

THE MLB UMPIRES DISASTER (escalating verbal attacks)

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

Umpire Brian DeBrauwere working Eastern League games on journey to the Major leagues

Mississippi State vs. Texas Longhorns baseball umpires Saturday in CWS

College Baseball Game Ends on Egregious Strike Three Call - Sports Illustrated

WATCH: Houston Astros reliever Hector Neris ejected for throwing a dangerous pitch at Eugenio Suárez's head moments after bench clearing brawl