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The Independent UK
The Independent UK
National
Ronald Blum

THE TRUTH ABOUT: Robot umpires are coming to mlb here s how they work df49e77b b637 4267 b9f5 23c21a2ac810 | History Defined

Robot umpires are coming to the big leagues this year.

The Automated Ball/Strike System will be introduced in the form of a challenge system in which the human umpire makes each call, which can be appealed to the computer. Robot umpires have been tested in the minor leagues since 2019, with recent testing done at Triple-A since 2022, MLB spring training last year and at the 2025 All-Star Game in Atlanta.

Here's what to know about MLB's robot umps.

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