The ABS challenge system leaderboard ranks batters, catchers, teams and umpires throughout the MLB season.

Red Sox infielder Andruw Monasterio may be the leader in the clubhouse for worst ABS challenge of the young MLB season. During the sixth inning Tuesday of Boston’s 6-0 road loss to the Twins, ...

The NCAA rules subcommittee has approved the usage of the ABS challenge system in college baseball for 2027.

A version of “robo umps” is finally here. MLB introduced the ABS (Automatic Ball-Strike) Challenge System this season, ...

Major League Baseball’s new era arrived faster than expected. José Caballero became the first player in MLB history to use the Automated Ball-Strike (ABS) challenge system during a regular-season game ...

In its first full season, the Automated Ball-Strike system has made waves throughout MLB, going from novelty to in-game ...

ATLANTA — It took all of eight batters for the Automated Ball-Strike system to make an impact at the 2025 MLB All-Star Game, its first such appearance in a non-spring training MLB contest. Facing an ...

SAN FRANCISCO – During the Yankees’ challenge-crazed exhibition season, Aaron Boone conducted frank discussions with some of his players. One of them was Jose Caballero. “I’ve been direct with our ...

NEW YORK – Will there be fewer of Aaron Boone’s famous tirades about the strike zone in 2026? Well, maybe. On Tuesday, MLB’s Joint Competition Committee adopted the Automated Ball-Strike (ABS) ...

The biggest change that came to the MLB in 2026 has been the installation of the brand-new ABS challenge system. While umpires are still the ones calling balls and strikes, the ABS challenge system ...

MLB home plate umpires missing calls behind the dish is as frustrating an event as any for fans, players and managers to deal with. With that, having an automated balls and strikes (ABS) system in ...