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MLB umpires
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- 1
Umpires in Major League Baseball have overturned a called strike two after a challenge to the automated ball-strike system, known as ABS. The call was corrected on review, showing the pitch outside the strike zone. The moment is drawing attention as MLB expands use of pitch challenges, giving players a way to contest ball and strike calls during games.
- 2MLB roll out automated ball-strike challenge tracker for 2026●2026 MLB ABS challenge system tracker: Team, player rankings
MLB's automated ball-strike challenge system is set to feature in 2026, and ESPN has launched a tracker ranking how teams and players fare with challenges of umpire calls. The system lets players contest ball and strike decisions reviewed by tracking technology, and the tracker will follow which clubs and hitters use challenges most effectively as the season unfolds.
- 3Strike call overturned after automated challenge system review●Strike 1 overturned after ABS challenge
A strike call was reversed after a team used Major League Baseball's automated ball-strike system to challenge it. The ABS challenge, now part of MLB's trial of robot umpiring, let the field umpire's strike-one ruling be checked and overturned by the automated review. The moment is fueling wider debate about how technology is reshaping officiating in baseball.