For generations, baseball has followed a simple rule. The umpire calls balls and strikes, and that call stands. That changes now. This season, Major League Baseball is introducing something that once ...

It has been only three weeks, but Major League Baseball’s ABS challenge system has ushered in a whole new genre of statistics in a sport that was already known for the treasure trove of numbers and ...

Hawk-Eye tracking cameras are positioned around the stadium. Five cameras are used to track pitches. Additional cameras around the stadium are used to track player position and ball location. Major ...

Robo-umps have arrived. Kinda. Beginning this season, Major League Baseball will use the ABS (short for automated balls and strikes) challenge system, so it's not full robo-umps, but there is now a ...