Why are MLB umpires so bad at calling inside pitches as strikes when they should be balls? - Quora
What does an MLB home plate umpire wear for protection? - Quora
What are baseball umpires? - Quora
Do AL and NL MLB umpires wear a patch on their hats for their league? - Quora
Umpire Plate Coats: Why Veterans Wear Long Sleeve Shirts and Jackets Instead, Blog
What does an MLB umpire wear when he's behind home plate calling balls and strikes during a game? - Quora
What does an MLB home plate umpire wear for protection? - Quora
Why do behind the plate umpires in baseball not wear chest protectors? - Quora
Umpire Sean Barber costs Dodgers with brutal ninth inning
MLB Umpires Association, adamant that crews are simply upholding rule, address home-plate collision rule in statement - ESPN
Do MLB umpires have to wear the same shirt? - Quora
What I Wear as an Umpire. Baseball and softball are great sports…, by Silbo
Are all base umpires capable of being a home plate umpire, in case the home plates umpire gets injured? - Quora