Major League Baseball umpires are about to get a reality check for their bad ball and strike calls, based on a new upcoming rule change.

The automatic balls and strikes (ABS) challenge system has been tested in Triple-A for a couple of seasons. It was also tested in spring training this year. Now it's taking center stage in MLB's ...

MLB’s automatic ball-strike challenge system was put to the test early in Tuesday’s All-Star Game. And it handled the situation with good accuracy. During the bottom of the first inning with the ...