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

FILE - The Automated Ball-Strike System plays on the scoreboard after a pitch call was challenged during the first inning of a spring training baseball game between the Chicago White Sox and the San ...

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, ...

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

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, ...

After an undeniably thrilling World Baseball Classic, it’s time to shift our attention back to Spring Training, with just one week to go until the real thing. Yes, that’s right, and we double-checked ...

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