Major League Baseball has finally started experimenting with robot umpires, but it might be a while until we see them in ...

Umpires first began calling both balls and strikes way back in 1864, and baseballers have been arguing about those calls ever ...

The rulebook strike zone is essentially home plate, projected over a three-dimensional space with a defined top and bottom ...

One of the biggest adjustments is that the zone called by umpires isn't a rectangle and tends to bulge in the middle. MLB research also found that the human strike zone tightens from 550 square ...

MLB commissioner Rob Manfred talks with media ... The system is capable of pinpointing where the ball was in relation to the strike zone as it crosses the plate. It is similar to the line-calling ...

During 2025 spring training, MLB has adopted the Automated Ball-Strike ... of pinpointing where the ball was in relation to the strike zone as it crosses the plate. It is similar to the line ...

Batters, pitchers and catchers can challenge a home plate umpire’s ball or strike call. Powered by Hawk-Eye ball-tracking technology, the automated ball-strike system replays the pitch trajectory to ...

Spring training is traditionally a time of new beginnings, including this year's introduction of the Automated Ball-Strike (ABS) system in spring games. It's a meld of robotic precision and human ...

ABS maintains a rigid definition of the strike zone based on each batter's height. MLB will not be using ABS this spring to determine every call; rather, the league is employing a "challenge ...

It's a meld of robotic precision and human oversight, a compromise allowing a limited number of challenges per game to ensure accuracy in the strike zone ... For more MLB insight, tune into ...

ABS maintains a rigid definition of the strike zone based on each batter's height. MLB will not be using ABS this spring to determine every call; rather, the league is employing a "challenge ...

“The strike-zone box that we display on broadcasts and our app probably is inconsistent with the way we currently do it with the challenge system,” said Morgan Sword, MLB’s executive vice ...