What Is ABS and How Does It Work in Major League Baseball?

MLB introduces Automated Ball-Strike Challenge System with player-initiated challenges for disputed calls. A number of rules changes will be instituted in Major League Baseball during the 2026 season, ...

MLB announces that they will no longer show if a pitch is a ball or strike during game broadcasts with ABS taking over

In a stunning and controversial move, Major League Baseball announced last week that game broadcasts will no longer display ...

The robot umps are here: What to watch for with ABS this MLB spring training

MLB's ABS challenge system is up and running this spring — and it's about to change baseball profoundly. Here's everything you need to know.

MLB umpire exposed for embarrassing performance

The Automated Ball-Strike (ABS) Challenge System has been widely welcomed by Major League Baseball fans this spring in an ...

MLB's ABS challenge system ushers in a new ballgame with 'robo umps'

If the pitcher, catcher or batter disagrees with a ball or strike call, they have the right to challenge the umpire, with ...