MLB’s Automated Ball-Strike System takes center stage in Cactus and Grapefruit Leagues https://www.tucsonsentinel.com/sports/report/022125_mlb_strike_zone/mlbs-automated-ball-strike-system-takes-center-stage-cactus-and-grapefruit-leagues/
After being tested in the Arizona Fall League last year and the minor leagues since 2021, the Automated Ball-Strike Challenge System will be implemented in 13 spring training ballparks — five at the Cactus League and eight at the Grapefruit League.
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