The automated ball-strike system (ABS) has been used for minor league games, but it's getting rolled out for the first time in the big leagues during spring training.

Veteran MLB umpire Mike Muchlinski went viral on social media for his sense of humor after he got one of his strike zone calls challenged. Muchlinski was the home plate umpire for Tuesday’s ...

While MLB's ABS challenge system (automated balls and strikes) is still in the testing phase this spring training, we're already seeing how umpires respond to the system on the field. And credit ...

Home Plate Umpire Brian Walsh uses an earpiece to hear the electronic notification as to weather a pitch was a ball or a strike by the ABS system during a AAA minor league baseball game.

Major League Baseball players like to believe that they could call a game better than the umpire standing behind home plate. Now they’re finally getting a chance to prove it.

which potentially as early as 2026 could be used to aid MLB home plate umpires, but not replace them. Starting in 2024, MLB focused testing on a challenge system in which the human umpire makes ...

If they challenge, the pitch graphic appears on the scoreboard and broadcast, and the umpire updates the count. The MLB says this takes about 17 seconds. The MLB has been testing ABS challenges in ...