Challenge System powered by T-Mobile is coming to Major League Baseball this season. For a refresher, you can read about everything you need to know about the ABS system that will bring more accuracy ...

Just over half the ball/strike challenges were successful on the first day of spring training games as Major League Baseball ...

PHOENIX — Flashing bleached hair under his cap as he settles in with his new team, Dodgers closer Edwin Díaz threw his first pitch of a live bating practice session on Thursday at Camelback Ranch to ...

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.