MIAMI(AP) — Major League Baseball's experiment of a robot umpire technology system allowing challenges to checked swing calls is moving up from Class A to Triple-A. MLB will also test moving second ...

Major League Baseball will experiment with a technology system to challenge checked swing calls in the Class A Florida State League starting Tuesday. Using a Hawk-Eye system, a checked swing call can ...

Minor League Baseball has traditionally been a testing ground for potential major league rule changes. If MLB finds rule changes are successful in the experimental stage, the changes are often ...

A unique situation combining a check-swing appeal with an ABS strike zone review unfolded during the Mariners’ 7-1 win over the Twins. Twins catcher Victor Caratini initiated both actions on the same ...

PHILADELPHIA, PENNSYLVANIA - OCTOBER 21: Jurickson Profar #10 of the San Diego Padres is called for a strike on an attempted checked swing during the ninth inning against the Philadelphia Phillies in ...