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

It has been only three weeks, but Major League Baseball’s ABS challenge system has ushered in a whole new genre of statistics ...

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

On any given pitch, both teams are eligible to initiate an ABS challenge. But not every player on the field has the right.

That's because "robot umpires," in a sense, have officially arrived to MLB. The human element remains, but players will now ...

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 ...

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 ...

I had some other thoughts about ABS that I didn’t include in the game recap because it felt just a little out of scope for that format. Keeping in mind that this Red Sox season is still getting off ...

Overreaction runs rampant in fantasy baseball in early April. When a player hits 2 HR in a game, he is the next coming of Babe Ruth. A sparsely-known pitcher spins a beautiful outing and he has ...