MLB umpires receive real-time ABS feedback on strike zone calls

6 articles · Updated · Fox News · May 6

ESPN's Jeff Passan said umpires can use a two-way microphone to ask ABS operators during games if they are missing off-plate strikes.
The system, added before the 2026 season alongside two team challenges and a redefined height-based strike zone, has helped improve accuracy and overturn some game-changing calls.
It has also coincided with fewer called strikes, more patient hitters and a record walk pace, while reducing arguments over balls and strikes; MLB has not said how widely feedback is used.

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