The New York Yankees' José Caballero lost the first challenge taken to Major League Baseball's so-called robot umpire.

The Automated Ball-Strike Challenge System lets players appeal umpire calls, aiming to add accuracy and strategy to the game.

Saw a hitter, catcher, or pitcher tap their helmet after a pitch and wondered what just happened. Here’s a clear guide to MLB ...

Winnie might be fast, but the automated ball-strike challenge system might be faster. We saw several instances of the ABS ...

MLB's new robot ump system lets players challenge ball-strike calls by tapping their head, with results appearing on stadium ...

Plus, how successful were challenges during spring training?

Six of oft-maligned umpire CB Bucknor’s calls were overturned Saturday, with Sox manager Alex Cora declaring "that wasn't his ...

New York Yankees shortstop José Caballero made MLB history as the first player to use the Automated Ball-Strike System, ...

CINCINNATI (AP) — Terry Francona had every reason not be a fan of the Automated Ball-Strike System, after the Cincinnati Reds ...

For baseball fans in need of a refresher on the new Automated Ball-Strike Challenge System ahead of Opening Day 2026, John ...

The high-speed-camera technology that lets players challenge pitch calls makes its full-time major-league debut this season.