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

New data from MLB’s Automated Ball-Strike (ABS) challenge system shows umpires’ strike zones may vary by batting order position, favoring some hitters while disadvantaging others. Analysis of early ...

As we enter the final week of the 2025 MLB regular season, the league has made a significant announcement, stating that it will implement an Automated Ball-Strike Challenge System for the entirety of ...

Six weeks into MLB’s first season using the Automated Ball-Strike (ABS) Challenge System, data shows umpires’ strike zones vary by batting order position. Analysis reveals No. 3 hitters often benefit ...

The first weekend of MLB's Automated Ball-Strike Challenge System revealed umpire inconsistencies across the entire league. Batters won 42% of ABS challenges, and disciplined teams are already gaining ...

Over the first week of games, you may have noticed pitchers, catchers, and hitters tapping their head after a pitch, signaling for a review. After six years of testing in the minors, MLB has ...

For generations, baseball has followed a simple rule. The umpire calls balls and strikes, and that call stands. That changes now. This season, Major League Baseball is introducing something that once ...

After testing the system for two seasons in Triple-A, Major League Baseball has decided to implement the ABS (Automated Ball-Strike) challenge system at the start of next year’s season. Since the ...