It's not quite robo umpires but hitters and pitchers can challenge balls and strikes calls by umpires in certain stadiums ...

There are no immediate plans to introduce the system in regular-season games yet. Questions remain about how large a role it ...

Though this hybrid umpire system won’t make its way to regular season major league games in 2025, player and fan reactions ...

A computerized system that calls balls and strikes is being tested during MLB spring training exhibition games starting ...

What to know about robot umpires, automated ball-strike testing, challenges at 2025 MLB spring training Cactus League, ...

Umpires first began calling both balls and strikes way back in 1864, and baseballers have been arguing about those calls ever ...

The Automated Ball-Strike system, or ABS system, which was tested at the Triple-A level during the 2023 and '24 seasons, is ...

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The batter, pitcher or catcher simply tap their helmet or cap to challenge — but they only have two seconds. If they challenge, the pitch graphic appears on the scoreboard and broadcast, and the ...

The ABS uses a network of cameras installed in stadiums to track each pitch and determine whether it crosses home plate within the strike zone. The ...