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

A computerized system that calls balls and strikes is being tested during Major League Baseball spring training exhibition ...

There are no immediate plans to introduce the system in regular-season games yet. Questions remain about how large a role it ...

It took just one inning for the Chicago Cubs right-hander to be the first player to successfully challenge a ball-strike call in a big-league spring training game, overturning a called ball from ...

In the top of the third inning with the Dodgers leading 3–0, a runner on second base and a 2–1 count, Los Angeles pitcher ...