The year was 2000 and Matt Mumme had decided to tag along with his father, Hal, for an American Football Coaches Association convention in Florida. The two were strolling through a conference room when someone at a nearby table spoke up to get Hal’s attention. And Matt remembers this vividly. He and his father stopped in their tracks as Howard Schnellenberger belted out: “Hey Hal, you know you’re ruining football, don’t you?”