Overview
- ESPN’s Jeff Passan reported that plate umpires wear two-way mics to speak with the ABS operator for instant guidance on their zone.
- Fox News said the real-time prompts have boosted accuracy and cut arguments over balls and strikes while the specifics on adoption remain unclear.
- FanSided published early-season rankings of umpires by ABS challenge overturn rate, naming Andy Fletcher, Ron Kulpa and CB Bucknor among the highest.
- The 2026 rollout pairs a height-based strike zone with a quick challenge system that changes calls within seconds and has nudged walk rates higher.
- Fans and teams are adjusting to faster, near-instant corrections, and the growing dataset could shape MLB training plans or push talk of fuller automation.