Sports ❯ Baseball ❯ Umpiring

Technology in Sports

Automated Systems Automated Ball-Strike System ABS System Automatic Ball-Strike System ABS Challenge System Fan Experience Challenge Systems Automated Ball Strikes (ABS)

ABS Review Confirmed Strike Despite Replay Showing Pitch 0.8 Inches Low

A short delay and a missing stadium graphic point to a possible ABS processing or communication failure that the Athletics have asked MLB to explain.

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

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

MLB’s Automated Strike-Zone Challenges Are Reshaping Games

ABS Challenge Overturns Jen Pawol Call in Spring Game, Drawing Wide Ridicule

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