Author bio: Dub Maddox is the creator of the R4 Football System. He is a 6x State Championship coach and the author of 4 bestselling books, Headset to Helmet, Adapt or Die, What is Open?, and Capology. Dub was selected at #16 behind Tony Dungy and Pete Carrol in the HUDL Top 100 Awards as innovators that have changed the game of football. Coach Maddox’s QB’s and offenses have set numerous state and school records. He spends the off-season consulting with coaches in the NFL, college, and high school on the R4 system.