Cardinals using spring games to strategize review of called balls and strikes
Poteet’s gesture was a signal to the umpiring crew that he wished to challenge the previous pitch, called a ball, under the auspices of the automated balls and strikes (ABS) system being tried out ...
ABS challenge system early hit as it makes MLB debut in Dodgers-Cubs spring training game
The automated ball-strike challenge system made its MLB debut Thursday in the Dodgers-Cubs spring training game. It's an ...