Saw a hitter, catcher, or pitcher tap their helmet after a pitch and wondered what just happened. Here’s a clear guide to MLB’s ABS challenge system, including who can challenge, how many challenges ...

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

NEW YORK (AP) — Robot umpires are getting called up to the big leagues next season. Major League Baseball's 11-man competition committee on Tuesday approved use of the Automated Ball/Strike System in ...

ABS has been the talk of the MLB season. Here's what those in the game say about the new rule -- and how it changes their ...

The automated ball strike system will be in place for the first time ever here at PNC Park for opening day. If you're not familiar with that system, it is sort of like *** backup umpire. What it is is ...

Similar to regular instant replay, the goal of the ABS challenge system is to correct the most egregious missed calls, though we will inevitably see some ticky-tack replays as well. More than a few ...

The Citizens Bank Park video board shows the results of an automated ball-strike challenge during the Philadelphia Phillies' season opener. - Emilee Chinn/Getty Images The best-case scenario for ...

A call is overturned by Automated Ball-Strike System during the ninth inning of an opening-day baseball game between the Cincinnati Reds and the Boston Red Sox in Cincinnati, Thursday, March 26, 2026.

After years of testing in the minor leagues and spring training, baseball’s new Automated Ball-Strike challenge system has finally arrived in the majors. For the first time, big league players have ...

Albert Suárez celebrates with Samuel Basallo, whose quick thinking on an ABS challenge secured the Orioles' victory. Greg Fiume / Getty Images In a major-league first, a game ended Wednesday on a walk ...

Major League Baseball implemented its new Automated Ball-Strike (ABS) Challenge System at the start of the 2026 season, giving players the power to appeal called balls and strikes. Could NCAA softball ...

Pittsburgh's Oneil Cruz became the first batter to have a ball four overturned to strike three during the third inning ...