MLB ABS challenge system has a few weeks under its belt and here's some stats to know.

As the calendar flips to May, we're getting a very clear picture of which umpires were ready for the spotlight.

The 2026 MLB season will be the first with the new ABS Challenge System in place. A number of rules changes will be instituted in Major League Baseball during the 2026 season, but by far the most ...

One month is not enough to conclude much in fantasy baseball, but we know the strike zone is smaller by about 11 percent on ...

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 ...

ABS challenges are exposing something the system wasn't designed to find: umpires call the zone differently depending on ...

Another seeming win for MLB rule changes ...

MLB’s Automated Ball-Strike System allows players to challenge ball and strike calls during games. Brewers players and coaches are testing the ABS system during spring training ahead of the 2026 ...

Forbes contributors publish independent expert analyses and insights. Get ready for “robo-umps” in Major League Baseball. Today, MLB’s Joint Competition Committee voted to adopt the Automated Ball ...

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