"Don is the father of the modern passing game. People talk about the 'West Coast' offense, but Don started the 'West Coast' decades ago and kept updating it. You look around the NFL now, and so many teams are running a version of the Coryell offense. Coaches have added their own touches, but it's still Coryell's offense. He has disciples all over the league. He changed the game", adds Martz. "I'm not sure why that hasn't been acknowledged by the Hall of Fame."