Per MLB guidelines, a pitch can be subject to both an ABS challenge and a replay challenge -- think a called strike (or ball) that precedes a throw on an attempted stolen base.

At long last, player protest with ball or strike calls can be handled with something other than ineffectual arguing.

It's a new era for MLB as the league implements a challenge systems for balls and strikes.

The automated ball-strike (ABS) challenge system will also allow umpires to flag a specific pitch to see if they got the call ...

MLB's Automated Ball-Strike (ABS) Challenge system will debut during the 2026 regular season.

Major League Baseball broadcasts no longer will use the strike zone box to indicate where the pitch was a ball or a strike, a ...

Astros manager Joe Espada is trying to take emotion out of the equation for challenging calls in MLB's new system.

In a stunning and controversial move, Major League Baseball announced last week that game broadcasts will no longer display whether a pitch is ruled a ball or a strike, coinciding with the full ...

When baseball returns, it's going to be with a key change to the strike zone box.

The Automated Ball-Strike (ABS) challenge system is coming to MLB next season, granting teams at least two opportunities per game to send home plate umpires’ ball and strike calls to replay review.