One Season In: MLB’s ABS Challenge System Is a Success

With 5,686 calls overturned in its debut season, the new challenge system delivers justice to the diamond, silencing umpire ...

In October, every ABS challenge carries more weight — and teams are still adjusting

Braves game ended on the first-ever walk-off challenge. Teams are still determining the best ways to use challenges in ...
CNET

How MLB’s and T-Mobile’s ABS Challenge System Corrects Strike Calls in Seconds

Baseball can be a game of physics and statistics, so I was surprised during a recent major league game in Seattle when a technical measurement sent the crowd into a tizzy. In the May 1 matchup, Kansas ...

ABS Challenge success rate of MLB Playoff teams: Cubs boast advantage, Guardians in trouble

One challenge could be the difference between winning and losing a playoff game. Here's a look at which teams you should ...

MLB ABS Challenge Success Rate for 2026 Season Revealed, Full Rankings for Yankees, Dodgers, More

Now that the 2026 MLB regular season is over, the results for the first year of the ABS challenge system for all 30 teams are available.

2026 MLB ABS challenge system tracker: Team, player rankings

The ABS challenge system leaderboard ranks batters, catchers, teams and umpires throughout the MLB season.
Major League Baseball

MLB ABS 101: A Visual Guide to the New Automated Ball-Strike Challenge System

MLB's Automated Ball-Strike Challenge System (ABS) is here. Learn more about the history of baseball's strike zone and the evolution of ABS.
SB Nation on MSN

Taking a look at how the Washington Nationals fared using the ABS challenge system

I wanted to examine how the Nationals did in the first year of the ABS challenge system ...