Should MLB umpires really be wearing advertisements?
MLB playoffs: Astros-Red Sox ALCS turns on bad call by umpire Laz Diaz, who had horrible night (and year) behind the plate
MLB Fans Threaten to Boycott Over 'Robot Umpires'—'Will Ruin the Game
Major League Baseball considers dramatic change with robot umpires - CBS News
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Close Call Sports & Umpire Ejection Fantasy League: MLB Debuts Umpire Uniform Ads During All-Star Game
Joe West sets umpire record, is booed at Cardinals-White Sox game
Beyond the grunt: Umpires mic up, and baseball changes a bit
America's pastime has a new ritual: Frisking pitchers for sticky stuff
An Umpire Took One Too Many Foul Balls to the Face. He Invented a Solution. - WSJ
Center Field on Fire: An Umpire's Life with Pine tar Bats, Spitballs, and Corked Personalities: 9781572435698: Phillips, Dave, Rains, Rob, Costas, Bob: Books
ALCS umpires named for Lone Star Series between Rangers, Astros – NBC 5 Dallas-Fort Worth
On Rain Delays: An Interview With Former MLB Umpire Dale Scott
Oakland A's news: First of 2023 MLB uniform ads unveiled - Athletics Nation
Former MLB All-Star Says Umpire Angel Hernandez Took Bribe
It's past time for MLB to address its umpiring problem - Battery Power
Umpires in Dodgers-Giants game wear Pride hats, a first for pro sports - Outsports