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

Unlike with human umpires, who studies have shown adjust the strike-zone parameters based on the count, ABS maintains a rigid definition of the strike zone based on each batter's height.

Major League Baseball is being dragged into the future, even as some players and fans kick and scream. Thirteen spring ...

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 system used in tennis. The minor leagues have been ...

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 ...

PHOENIX — The robo ump could kill K-Zone. On Thursday, Major League Baseball will employ what it calls the automated ball-strike system, or ABS, in a big-league spring training game for the ...