Should MLB umpires really be wearing advertisements?
Today in Baseball History: Umpire John McSherry dies after collapsing on the field - NBC Sports
Who are the umpires calling the Rangers-Astros ALCS series?
What does an MLB home plate umpire wear for protection? - Quora
MORE
The top-10 worst Angel Hernandez calls in MLB history
MLB umpire shares his opinion of new rules: Ken Rosenthal's conversation with Dan Bellino - The Athletic
MLB umpire job responsibilities
Some Thoughts on the 2021 MLB All-Star Game
Close Call Sports & Umpire Ejection Fantasy League: MLB Debuts Umpire Uniform Ads During All-Star Game
Armpit advertising: Australian cricket umpires to carry deodorant ads under their arms, Big Bash League
MLB umpires will have a new view this season -- on Zoom
Are Baseball Umpires Wrong As Often As Fans Think They Are? Yes, One Study Says
For Volunteer Umpires, Little League World Series in the Pinnacle - The New York Times
