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Automated Systems ABS Challenge System Automatic Ball-Strike System ABS System Automatic Ball Strike Challenge System Automatic Balls and Strikes

John Smoltz Draws Backlash for Knocking Jordan Walker’s ABS Challenge as MLB Adjusts to New Strike-Zone Reviews

The flare-up shows how MLB’s tap-to-challenge strike zone is reshaping at-bat strategy.

MLB Extends Checked-Swing Challenge to Triple-A PCL With 45-Degree Standard

MLB Adds Broadcast Delays, Curbs Strike-Zone Graphics for ABS Rollout