By Zach Barnett The former Texas Tech closed the door on any possible return to college during an appearance on the Pat McAfee show. For coaches, the highway between the NFL and college football runs both ways… but one happens to see much more traffic than the other. Kliff Kingsbury sped out of College Town for NFL City in January of 2019, when he made the rare jump from USC offensive coordinator to Arizona Cardinals head coach, and he’s never going back — despite the rumors people are trying to start. View the original article to see embedded media. “I tell everybody and I’m not making thi…