Robot umpires approved for #MLB in 2026 as part of challenge system | AP News https://apnews.com/article/robot-umpires-mlb-2026-d70c6431d1cccfcf7a6e69e3ce47b417 "Human plate umpires will still call balls and strikes, but teams can challenge two calls per game and get additional appeals in extra innings. Challenges must be made by a pitcher, catcher or batter — signaled by tapping their helmet or cap — and a team retains its challenge if successful. Reviews will be shown as digital graphics on outfield videoboards."