In 1973, new fashion for baseball umpires was strictly a judgment call - The Boston Globe
MLB umpire rankings: Pat Hoberg is baseball's most accurate ump
Close Call Sports & Umpire Ejection Fantasy League: Umpire Uniform History & Return of the Shoulder Rings
Chris Creamer on Twitter: "Umpires are wearing FTX patches on their shirts tonight. This is an advertisement and will remain on there for the rest of the season https://t.co/uaPUbMv7Ap" / Twitter
FTX Strikes Sponsorship Deal With MLB, Umpires to Wear Crypto Exchange's Logo - CoinDesk