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

One week into the MLB season, the ABS challenge system is proving effective, adding drama while quietly fixing missed calls.

ABS stands for the Automated Ball-Strike Challenge System that is being used in baseball and coming to MLB starting in 2026.

In just one weekend with ABS, several games have been flipped on their heads as a result of a literal tap on the head.

The whole point of the Automated Ball-Strike challenge system was to catch mistakes. Nobody anticipated it would find one ...

Players, managers and coaches are drilling down on the best tactics to use with the new ABS system, with surprising early ...

One of the loudest cheers of the day during the Cleveland Guardians home opener stemmed from the Automated Ball-Strike (ABS) ...

Cleveland sits at the bottom of MLB with less than a 20% success rate on challenges as the automated ball-strike system gets ...

A sparsely-known pitcher spins a beautiful outing and he has multiple Cy Young potential. Knowing this, it is never too early ...

Stephen Vogt sees Cleveland's 2-for-12 challenge record as a teaching moment, telling his players to keep using MLB's new ...

Bucknor, a 30-year umpiring veteran, is one of those about whom we would complain under the old system, and I sometimes ...

Home plate umpire Dan Bellino got a call so wrong during Monday's Athletics-Braves game that it glitched the ABS system.