MLB's Automated Ball-Strike Challenge System (ABS) is here. Learn more about the history of baseball's strike zone and the ...

It's official: MLB will be using the ABS challenge system throughout the entire 2026 season. Robot umpires - also called "automated balls and strikes" (ABS) - have been used in the minor leagues and ...

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 ...

Royals catcher Salvador Perez overturned three called balls using ABS challenges. Players tap hat/helmet within ~2 seconds; only batter, pitcher or catcher may challenge. ABS uses Hawk‑Eye cameras and ...

The 2026 MLB season introduces three major rule changes for various parts of the game. Teams now have a system to contest balls and strikes with the new ABS Challenge System. Coaches must stay in ...

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 ...

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 ...

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 ...

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 ...