Robot umpires approved for MLB in 2026 as part of challenge system Updated 2 mins ago Major League Baseball’s 11-man competition committee has approved use of the Automated Ball/Strike System in the major leagues in 2026. Human umpires will still call balls and strikes, but teams can challenge two calls per game. Challenges must be made by a pitcher, catcher or batter. A team retains its challenge if successful. Reviews will be shown as digital graphics on outfield videoboards. Adding robot umps could reduce ejections, as most are related to balls and strikes. The Automated Ball/Strike System has been tested in the minor leagues since 2019. The challenge system allows for ABS without eliminating pitch framing, a skill for catchers. This is MLB's first major rule change since 2024.

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