MLB test of robot umpires for checked swing calls moving up to Triple-A
ABC News
Major League Baseball’s experiment of a robot umpire technology system allowing challenges to checked swing calls is moving from Class A to Triple-A
MIAMI -- Major League Baseball's experiment of a robot umpire technology system allowing challenges to checked swing calls is moving up from Class A to Triple-A.
MLB will also test moving second base slightly to position it entirely within the infield, which would reduce by 9 inches the distance between first and second, and between second and third, according to a memorandum sent to teams last week.
It will try out reducing permissible disengagements by pitchers from two to one per plate appearance and stricter limits on batter timeouts and resetting the pitch clock for issues with PitchCom, the electronic signaling device that has been used since 2023.
There will also be a test allowing starting pitchers to re-enter games in the lowest level of the minor leagues. It's not expected this test will lead to MLB implementation, but it's being considered for the minors to improve development and player health by allowing more flexible workload management.
MLB's Automated Ball-Strike Challenge System, the so-called robot umpire, launches when the season starts March 25 following tests that started in the minors in 2019. A batter, catcher or pitcher can appeal a ball/strike call by the human umpire under a system in which each team has two challenges and keeps its challenge if successful. Additional challenges become available to teams in extra innings.
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