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Umpiring

Challenge System Strike Zone Umpire Decisions Controversial Calls Ball-Strike Calls Challenge Procedures Robot Umpires Managerial Decisions Strike Zone Definition Strike Zone Challenges Impact of Technology Automated Umpiring Challenges Challenge Process Ejections Replay Review Human Element in Sports Automated Systems Force Plays Automated Ball-Strike System Human Element in Umpiring Strike Zone Interpretation

MLB Keeps Automated Ball‑Strike Challenge System After Positive Midseason Review

Midseason data show about half of ABS challenges reverse calls, prompting the league to keep the system in place for ongoing monitoring and tweaks.

Red Sox Interim Coach Runs Onto Field to Wave Runner Home

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

Pirates’ Nick Gonzales Wins ABS Challenge He Tried to Retract

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