From the first-ever ABS challenge to the first ejection involving an ABS challenge, here are all of MLB's firsts involving the new balls-and-strikes arbiter. There’s a first time for everything, but ...

MLB’s new automated ball-strike (ABS) challenge system made a dramatic regular-season debut, culminating in the first ‘robo-ejection’ during the Orioles-Twins game. The ninth-inning reversal of a walk ...

Minnesota Twins manager Derek Shelton was unhappy with a ruling from the umpiring crew during Saturday’s game against the Cincinnati Reds at Target Field, and he was even unhappier after getting ...

Balls and strikes are now reviewable in baseball, and that has added some drama to the first few days of the season. You might think that with a limited number of challenges per game — and technology ...