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Umpiring

Challenge System Strike Zone Challenge Procedures Umpire Decisions Strike Zone Definition Impact of Technology Automated Umpiring Robot Umpires Human Element in Umpiring Force Plays

ABS Challenges Seal Orioles Win, Prompt First Ejection Over New System

A tight timing window for challenges is creating immediate friction over when a player signals for review.

ABS Challenge Tests Overturn Calls as Teams Split on Strategy Before MLB Rollout

ABS Challenge System Set for MLB Debut as Spring Data Shows Dodgers Struggling

MLB's Automated Ball-Strike System Sparks Mixed Reactions During Spring Training Tests

MLB Tests Automated Ball-Strike Challenge System During Spring Training