Saw a hitter, catcher, or pitcher tap their helmet after a pitch and wondered what just happened. Here’s a clear guide to MLB ...

When the New York Times declared “Robot umps are here” ahead of Major League Baseball’s rollout of its Automated Ball-Strike System, fans might have imagined a gleaming humanoid crouching behind home ...

Wonder how the new Automated Ball-Strike System fared during Spring Training? Well, wonder no more. According to data ...

For the first time in MLB history, batters, catchers and pitchers will be able to appeal the fraction-of-an-inch calls that ...

NEW YORK (AP) — Robot umpires are coming to the big leagues this year. The Automated Ball/Strike System will be introduced in the form of a challenge system in which the human umpire makes each call, ...

For more than a century, baseball’s home plate umpires have called a ball or strike based on interpretation of a vague, loosely defined strike zone. These subjective calls decided at-bats, games, ...