It took just one inning for the Chicago Cubs right-hander to be the first player to successfully challenge a ball-strike call ...

Human umpires still call every pitch, but each team has the ability to challenge two calls per game, with no additions for ...

As you may have picked up, Poteet appealed the ball ruling by tapping the top of the head. Review of the pitch indeed flipped ...

MLB players can challenge ball and strike calls. The camera-based system is only an experiment for now — but it has the ...