MLB fans rip at a female umpire for a terrible call in a spring training game, earning her comparisons with the notorious ...

The automated system will let players contest balls and strikes ...

Do androids dream of electric balls and strikes—plus some other questions on baseball’s Opening Day.

MLB is comfortable with the new system's margin of error. But not all players or umpires are quite as comfortable.

First-year technology got a real workout during Nationals-Astros spring training game.

You can’t spell “ABS” without a little “BS” at the end. If all Earl Weaver has to do to win an argument at home plate is kick ...

ABS has its critics, including one outspoken former ump, but anyone upset with the system should pay attention to it ...

MLB adds robot ump challenges. See how it works, why players are split and what it means for fans and the future of baseball.

Many fans call it the robot ump. It’s a major change for a sport steeped so deeply in tradition, and some players have ...