Denver Post · Dec 22, 2019
MLB, umpires agree on deal that would allow for computerized ball-strike system
Julio Cortez, The Associated Press Home plate umpire Brian deBrauwere checks an iPhone while wearing an earpiece prior to the start of the Atlantic League All-Star minor league baseball game, Wednesday, July 10, 2019, in York, Pa. The umpire received information about balls and strikes with the device connected to a TrackMan computer system that uses Doppler radar. The independent Atlantic League became the first American professional baseball league to let the computer call balls and strikes during the all star game. NEW YORK — Computer plate umpires could be called up to the major leagues at some point during the next five seasons.