MLB moves check-swing robot umps challenges, experimental rules to Triple-A

Major League Baseball’s experiment of a robot umpire technology system allowing challenges to checked swing calls is moving from Class A to Triple-A.

Dominican WBC loss ends on called strike that appeared low, a week before robot umps arrive in MLB

MIAMI (AP) — Ten days later, the United States and the Dominican Republic would have kept on playing. Geraldo Perdomo watched ...

Robot umpire test for checked swing calls moving to Triple-A

Major League Baseball's experiment of a robot umpire technology system allowing challenges to checked swing calls is moving ...

Catchers used to learn the umpire. With robo-umps, now they’re studying Jose Altuve and Aaron Judge

Some thought robo-umps would kill pitch framing. Instead, catchers are making it a weapon, learning each hitter's zone to use against them.
Major League Baseball

Everything you need to know about the new ABS Challenge System

At long last, player protest with ball or strike calls can be handled with something other than ineffectual arguing. Beginning with the 2026 MLB season, players will have the power to appeal the ...
Yahoo! Sports

Mets Could Let Juan Soto Take On New ABS Challenge System This Season

Most of the strategic elements for the 2027 baseball season will be very familiar, but one will definitely be brand new. The Automatic Ball-Strike Challenge System, aka the “robot umps,” will allow ...
Observer-Reporter

Spring training’s initial focus on robot umps and WBC

Just 102 days after a thrilling World Series ended with the Los Angeles Dodgers becoming the first repeat champion in a quarter century, pitchers and catchers are back on the field Tuesday as spring ...

Are the ABS rules being used for the World Baseball Classic?

During the World Baseball Classic, most of the rules are fairly similar to what fans will see during a typical MLB game played in the United States.