Should MLB umpires really be wearing advertisements?

Major league umpires wear wristbands to protest 'escalating verbal attacks' from players

MLB Can't Get Robot Umps Fast Enough After Brutal Weekend of Bad Calls - Sports Illustrated

MLB Umps Wear White Wristbands to Protest Increased Verbal Attacks by Players, News, Scores, Highlights, Stats, and Rumors

FTX Strikes Sponsorship Deal With MLB, Umpires to Wear Crypto Exchange's Logo - CoinDesk

MLB umpire Cuzzi still loyal to local roots - The Observer Online

Close Call Sports & Umpire Ejection Fantasy League: MLB Debuts Umpire Uniform Ads During All-Star Game

How can the MLB fix the poor ball and strike calls by home plate umpires? - Quora

Baseball's new electronic strike zone debuts in Worcester

Home-Plate Umpires Have Favored Twins Opponents in 2023 Playoffs - Twins - Twins Daily

MLB, umpires agree on deal that would allow for computerized ball-strike system – The Denver Post

No more 'generic Dad Nikes' - How MLB umpires -- yes, umpires! -- are stepping up their shoe game - ESPN

Umpire C.B. Bucknor ends Brewers game with missed strike three