The choice is not only whether to introduce ABS, but also whether to implement a change in the definition of the strike zone.

After a largely successful test run during spring training, the implementation of a computer-assisted strike zone feels ...

Major League Baseball is all geared up for a big change. The post MLB’s Attempt to Rule Out “Human Error” Faces Opposition ...

Baseball fans are buzzing after Arizona Diamondbacks manager Torey Lovullo’s unforgettable ejection stunt on May 14, 2025!

In a statement to The Athletic's Jayson Stark, Ken Rosenthal and Eno Sarris, an MLB official explained the zone hasn't ...

Major League Baseball has long since entered ... and it concerns how the strike zone will soon be partially automated. The league is fresh off testing its Automated Ball-Strike System—otherwise ...

This past spring training, MLB experimented with any automated strike zone (ABS) challenge system for a majority of Cactus and Grapefruit League games. But even under that system, the challenges ...

The MLB has had its fair share of controversial ... The potential future implementation of the Automated-Balls-Strikes (ABS) system has been putting more of a spotlight on umpire errors ...

If you think your team’s pitchers have been getting less strike calls on pitches just off the plate, you might not be crazy. According to The Athletic, MLB changed how its home plate umpires are ...

but the league's grading system appears to have had behavioral impacts with how picky umpires are with balls and strikes. It's a classic case of, "measure what matters." The MLB says it discussed ...

Changes to the way Major League Baseball evaluates umpires has resulted in fewer called strikes on the edges of the zone through the first month of the 2025 season, reports The Athletic.