MLB umpire job responsibilities

Major League Baseball umpires: Danger zone ahead?

MLB Umpires Missed 34,294 Ball-Strike Calls in 2018. Bring on Robo-umps?, Bostonia

Umpire The Winning Run

Observations of Umpires at Work – Society for American Baseball Research

Should MLB use an automated strike zone in place of umps? “Yes, a thousand percent yes.” – The Denver Post

MLB umpire job responsibilities

MLB Umpires Association, adamant that crews are simply upholding rule, address home-plate collision rule in statement - ESPN

MLB, Official Information, Umpires

10 Secrets of MLB Umpires

Long Island Baseball Umpires Organization - LIBUO

MLB umpire job responsibilities

Beyond the Strike Zone: Exploring the Vital Role of Umpires in a Game - Ump Junk - Officials Gear

MLB asking umpires for more checks of pitchers for sticky substances

Ten MLB Umpires Set To Retire Ahead Of The 2023 Season