MLB robot umpires get the green light: What to know about ABS challenge system that starts in 2026

Major League Baseball's competition committee approved the automated strike zone challenge system for the 2026 season on ...

Robot umpires are coming to MLB. Here’s how the Automated Ball-Strike System works.

ABS 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.