At any level of football, no one seems to know what a catch is (thanks, high definition video). In this video we take a look at what NFHS defines a catch is and the easiest way to judge it. Also, how the goal line affects a catch- or does it?At any level of football, no one seems to know what a catch is (thanks, high definition video). In this video we take a look at what NFHS defines a catch is and the easiest way to judge it. Also, how the goal line affects a catch- or does it?