Should MLB umpires really be wearing advertisements?

On Rain Delays: An Interview With Former MLB Umpire Dale Scott

Armpit advertising: Australian cricket umpires to carry deodorant ads under their arms, Big Bash League

There's now scientific proof that MLB umpires just want to get the hell out of there quickly, This is the Loop

Umpire Substance Checks Put Pitchers in Awkward Positions - The New York Times

Explaining the FTX Patch worn by MLB Umpires – SportsLogos.Net News

MLB Gets One Step Closer to Getting Rid of Angel Hernandez

MLB Commissioner: It's a “Pretty Good Bet” FTX Patches Won't Be on Umpires Next Season

MLB umpires will have a new view this season -- on Zoom

Why is MLB still using 6 umpires in postseason games? - Bleed Cubbie Blue

Robot umpire: Baseball edges closer to implementing automatic strike zone in major leagues

Shocker: Angel Hernandez Continues To Lose In Court As He Refuses To Accept His Terrible Umpiring Is The Reason He Can't Work The World Series

Some Thoughts on the 2021 MLB All-Star Game

Baseball's new electronic strike zone debuts in Worcester

Umpires Wear Wristbands to Protest 'Abusive Player Behavior' - The New York Times

Oakland A's news: First of 2023 MLB uniform ads unveiled - Athletics Nation