MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today

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Twins Daily: 'Robot umpires' coming to some of Twins' affiliate parks next season - Bring Me The News

Blue Jays – Cardinals umpire made worst strike call on outside pitch

MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today

The Robot Umpire: The technology is there, it makes no sense not to use it

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Close Call Sports & Umpire Ejection Fantasy League: 14 April 2019

Study Finds that Old Men with Experience are Actually the Worst MLB Umpires - FanBuzz

Study Finds that Old Men with Experience are Actually the Worst MLB Umpires - FanBuzz

Full article: Approximating strike zone size and shape for baseball umpires under different conditions

Artificial Intelligence, Machine Learning, and the Bright Future of Baseball – Society for American Baseball Research