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 will use the Automated Ball-Strike Challenge System (ABS) during the entire 2026 season ABS CHALLENGE ...

Wondering exactly how baseball's "ABS challenge" system works? You've come to the right place.

Good news for those of you who loved ABS back in 2025 MLB spring training: it's back for the 2025 MLB All-Star Game! That's right, time for some "robot umps" again. If you're here, you might be ...

Wednesday is MLB’s Opening Day, and with it a new era of baseball arrives. The Automated Ball-Strike Challenge System, powered by T-Mobile and known as ABS for short, will give some players in those ...

With Spring Training games in full swing, baseball fans are starting to get familiar with the Automated Ball-Strike challenge system. Although ABS isn’t brand new to baseball, as it’s been used in the ...

Major League Baseball has done a lot of experimenting lately. Rule changes have been hitting the scene left and right. It wasn't until very recently that challenges were introduced into the sport, and ...

If New York Yankees ace Max Fried throws a clear strike to San Francisco Giants slugger Rafael Devers on Wednesday night, and it's instead ruled a ball, the days of needing to suck it up and suffering ...

Another major change is coming to MLB. Just years after the ghost runner and pitch clock rules significantly changed the rhythm of baseball, shortening game length, the league is now addressing a ...

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 ...

For some time now, an automated strike zone -- informally known as the "robo ump" -- has been used at the Triple-A level and on occasion at various other rungs of the minor leagues. Recently, MLB ...

Detailed view of the scoreboard showing an ABS ball and strike challenge call being overturned to a strikeout during the Chicago White Sox against the Chicago Cubs during a spring training game at ...