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 ...

Major League Baseball is bringing technology to the mound in 2026 as the ABS Challenge System lets pitchers, catchers and ...

Tuesday night's Major League Baseball All-Star Game at Truist Park in suburban Atlanta will feature the automated ball-strike (ABS) system that could be part of the league on a regular basis as soon ...

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 robot umpires are here. Well, only kind of. MLB has a new ABS challenge system, and its implementation begins in Spring Training before being used throughout the regular season and postseason, too ...

With a new Major League Baseball season here, a major change will play a unique role in how the year progresses. Coming to the majors this season is the Automated Ball-Strike Challenge System, or ABS ...

With MLB’s competition committee expected to approve the automated ball-strike challenge system on Tuesday, it’s a good time to explain both how ABS works and clear up some of its misconceptions.