I think it depends on the rating services. ESPN had Duke waaaaaaaay too low.
http://www.espn.com/college-sports/football/recruiting/player/_/id/119126/randy-johnson
If I was a lesser man, I'd tell the posters who said Diaz is the worst coach in school history to go suck on a bag of d!cks. Fortunately I'm the bigger man so I won't say it.