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Automated Systems

Robot Umpires ABS Challenge System Ball-Strike Challenges ABS System Challenge System Automated Ball-Strike Challenge Automated Ball/Strike System Automated Ball-Strike System Replay Technology Ball-Strike Challenge Ejections

ABS Overturn in Tigers–Braves Game Stuns Broadcast, Exposes Missed Strike

The quick-review system is reshaping how fans watch and judge calls.

One Month In, Players Say MLB’s ABS Is Tightening the Zone as Walks Climb

MLB’s ABS Challenge System Overturns 54% of Appeals as Umpires Bristle