Four of five challenges of plate umpire Dan Iassogna’s calls were successful in the first All-Star use of the ABS system, which could make its regular-season debut next year.

ATLANTA (AP) — Cal Raleigh was just as successful with the first robot umpire All-Star challenge as he was in the Home Run Derby. Seattle’s catcher signaled for an appeal to the Automated Ball ...

Four of five challenges of plate umpire Dan Iassogna’s calls were successful in the first All-Star use of the ABS system, which could make its regular-season debut next year.

Seattle catcher Cal Raleigh successfully used the robot umpire to gain a strikeout for pitcher Tarik Skubal in the first inning of the All-Star Game.

Cal Raleigh was just as successful with the first robot umpire All-Star challenge as he was in the Home Run Derby.