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Automated Ball-Strike system
Trends
- 1
A called strike two was overturned after a manager challenged the call under Major League Baseball's automated ball-strike system, which reviews ball and strike decisions in real time. The system, being tested this season as part of MLB's effort to improve umpiring accuracy, changed the pitch to a ball. It is among the clearest signs yet of how ABS challenges are altering games.
- 2
A strike call was upheld after a manager challenged it under Major League Baseball's automated ball-strike system, with MLB.com confirming the ruling. The ABS challenge system, now in use at the major league level, lets teams contest ball and strike decisions, and calls are verified by automated tracking rather than human judgment. The confirmed strike marks an early, high-profile moment for the new technology this season.
- 3MLB automated ball-strike challenge tracker launched for 2026 seasonโผ2026 MLB ABS challenge system tracker: Team, player rankings
MLB teams and players are being ranked on their use of the automated ball-strike (ABS) challenge system in 2026. The tracker follows how often clubs contest umpire calls and how successful their challenges are, as the robot-umpire system continues its league-wide rollout. Attention is on which managers and hitters are adapting best to the new technology.
- 4MLB strike overturned to ball after ABS challengeโStrike 1 overturned to ball 1 after ABS challenge
An umpire's call of strike one was overturned to ball one after a manager challenged it under Major League Baseball's automated ball-strike system. The review changed the pitch count without altering any score. The moment is drawing attention as MLB's ABS challenge system, being used at the top level this season, shows it can directly reverse plate umpires' calls in real games.
- 5Strike call overturned after automated ball-strike challengeโStrike 2 is overturned after ABS challenge
A strike-two call has been reversed after a challenge to Major League Baseball's automated ball-strike system, which reviews umpires' ball and strike decisions. The overturn highlights how the ABS system is being used in games this season, with teams able to contest borderline calls and have them corrected by camera-based tracking.
- 6
A called third strike was overturned after a team challenged the pitch using Major League Baseball's automated ball-strike system, which reviews borderline calls at the plate. The reversal highlights how the ABS challenge system is changing game situations that once ended on an umpire's word alone. It is one of the visible examples of robot-assisted officiating now shaping results in baseball.
- 7Strike call upheld in MLB's automated ball-strike challengeโผStrike 1 is upheld after ABS challenge
In a game using MLB's automated ball-strike system, a batter challenged a called first strike, but the ruling was upheld after review. The challenge system, being used at the top level, allows players to contest ball-strike calls, with cameras determining whether the pitch crossed the zone. The incident is drawing attention as baseball rolls out robo-ump technology.
- 8Strike call overturned after ABS challenge in MLB gameโผStrike 1 overturned following ABS challenge
A called strike was overturned following a challenge under Major League Baseball's automated ball-strike system. The ABS system, now used by MLB to review ball and strike calls, allowed the call to be corrected on review, with the pitch ruled outside the zone. Fans are weighing in on how the new challenge process is changing umpiring and the pace of games.
- 9Karros wins ABS challenge as strikeout call overturnedโผStrike 3 is overturned after Karros' ABS challenge
In a Major League Baseball game, home plate umpire called strike three on a batter, but the call was overturned after Dodgers first base coach Danny Karros, or a player named Karros, successfully challenged the pitch using MLB's automated ball-strike (ABS) system. It marks another visible example of the robot umpire review system changing a strikeout outcome in real time, fuelling ongoing debate about technology in officiating.