Major League Baseball's 11-member competition committee [1] approved the Automated Ball/Strike system to call balls and strikes in the 2026 season [1].
The shift toward automation represents a fundamental change in how the game is officiated. By replacing or augmenting human judgment with technology, the league aims to eliminate consistency errors that have long been a point of contention for players and managers.
The Automated Ball/Strike (ABS) system utilizes technology to automatically determine if a pitch is a strike or a ball [2]. Under the new rules, teams will have the ability to challenge calls, adding a layer of strategic review to the game [3]. This mechanism allows for the correction of strike calls within seconds [4].
MLB officials said the ABS will improve the accuracy of ball-strike calls [1]. This move follows earlier testing of the technology, including a trial challenge used during a game in Seattle on May 1, 2024 [4].
Beyond the pursuit of accuracy, some observers suggest the technology changes the atmosphere of the sport. Jimmy O’Brien, founder of Jomboy Media, said the system introduces new elements of tension and excitement. "There’s just so many elements of drama that it’s given us," O’Brien said.
The decision comes after extensive deliberation by the competition committee [1]. While some reports suggested an earlier rollout, the league has slated the full implementation for the 2026 season [1].
“The league's competition committee approved the Automated Ball/Strike system for full implementation in the 2026 season.”
The adoption of the ABS system signals a broader trend of 'digitizing' traditional sports to reduce human error. By introducing a challenge system, MLB is not only seeking objective accuracy but is also creating a new form of televised spectacle, mirroring the high-stakes review processes seen in the NFL and NBA.




