Veteran MLB umpire Mike Muchlinski went viral on social media for his sense of humor after he got one of his strike zone calls ... that MLB has been testing out in spring training.

Home Plate Umpire Brian Walsh uses an earpiece to hear ... The clip below shows an example of how this challenge was used to overturn a strike-out call. “This is a pretty big decision for ...

One big change for the St. Louis Cardinals' spring training experience this year is the arrival of an automated ball-strike ...

The pitch tracker on MLB's Gameday agreed with the umpire and ABS that the seventh pitch of the at-bat was far above the strike zone ... he can be seen throwing out his arm while playing fetch ...

The automated ball-strike system (ABS) has been used for minor league games, but it's getting rolled out for the first time in the big leagues during spring training.

Major League Baseball fired umpire Pat Hoberg after it was revealed he shared a legal sportsbook account with a professional gambler. Hoberg appeal ...