Should MLB umpires really be wearing advertisements?

Fact Check: Is Rob Manfred bringing robot umpires to MLB in 2024? Commissioner's latest comments examined

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

Ewwww: MLB Umps to Start Wearing Ad Patches in July

Barksdale, Hoye, Iassogna and Porter will be the umpire crew chiefs for Wild Card Series

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

MLB umpire shares his opinion of new rules: Ken Rosenthal's conversation with Dan Bellino - The Athletic

Center Field on Fire: An Umpire's Life with Pine tar Bats, Spitballs, and Corked Personalities: 9781572435698: Phillips, Dave, Rains, Rob, Costas, Bob: Books

MLB Umpire Uniform Patch Partner FTX Files for Bankruptcy - What Happens Now?

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