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

Similar to regular instant replay, the goal of the ABS challenge system is to correct the most egregious missed calls, though we will inevitably see some ticky-tack replays as well. More than a few ...

Major League Baseball changed forever last week with the opening act of the Automated-Ball Strike challenge system. Now, for ...

How have the Houston Astros been handling the new ABS Challenge System this season?

MLB has put in place a lot of rule changes over the last six years. There’s the automatic runner in extra innings, but only a small percentage of games go into extra innings. The pitch clock changed ...

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

From the moment MLB began testing an automated strike zone in the minor leagues, its eventual arrival to regular season MLB ...

CLEVELAND, Ohio — The automated ball-strike challenge system (ABS) was supposed to be a tool, a weapon even, that teams could ...

Stephen Vogt sees Cleveland's 2-for-12 challenge record as a teaching moment, telling his players to keep using MLB's new ...

MLB implemented its first-ever ball-strike challenge system this season, and the early reviews are positive — if not, in some ...

No one in baseball has gotten as many calls overturned as Minnesota through the season's first week and change.