Umpires evolving to 'get it right
MLB open to mic on umps for replay calls, the way NFL referees call penalties – New York Daily News
Here's Your Sign
Close Call Sports & Umpire Ejection Fantasy League: Umpire Uniform History & Return of the Shoulder Rings
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From 1975 to 2019: How umpiring has evolved with World Cups - Sportstar
Hawk Harrelson, Tony La Russa praise Joe West before umpire breaks all-time record - Chicago Sun-Times
Beyond the grunt: Umpires mic up, and baseball changes a bit
Play ball: Wendelstedt Umpire School safe at home, Observer Local News
MLB will consider implementing electronic strike zone in 2025
Two wrongs trying to make a right: Makeup calls are common for MLB umpires, financial analysts and probably you
Robot Umpires Could Be Coming to MLB as Soon as 2024 - CNET
Are robot umpires best for future of baseball? - Marquee Sports Network