Do AL and NL MLB umpires wear a patch on their hats for their league? - Quora
I'm a new umpire. What do I need to know about umpire equipment/uniform? - Quora
FTX Bankruptcy: Sports Impact Stretches from Tom Brady to MLB –
What model of caps do MLB players actually wear? Is it 59fifty? - Quora
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Dominican umpire Ramon De Jesus debuts in MLB
Today in Baseball History: Umpire John McSherry dies after collapsing on the field - NBC Sports
Major-League Umpiring during the Pandemic of 2020 - Baseball ProspectusBaseball Prospectus
James Hoye to head ALCS umpires and Dan Iassogna in charge of NLCS umps
Do AL and NL MLB umpires wear a patch on their hats for their league? - Quora
Umpires in Dodgers-Giants game wear Pride hats, a first for pro sports - Outsports
Do MLB players get new hats every game? - Quora
Don Denkinger, 86, Top Umpire Remembered for Botched Call, Dies - The New York Times
Why is MLB still using 6 umpires in postseason games? - Bleed Cubbie Blue
Do AL and NL MLB umpires wear a patch on their hats for their league? - Quora
Dale, we know you're gay.' How a Major League Baseball umpire came out - Outsports
MLB, umpires agree on deal that would allow for computerized ball-strike system – The Denver Post