An article I read yesterday, that mentions Hazell/Purdue, on thinking outside the box and not punting. Mathematically it says it's smarter to go for it on 4th down. And they say why shouldn't a college team, that's a habitual loser, try it out.
http://www.campusrush.com/kevin-kelley-pulaski-academy-power-of-not-punting-1338619200.html
http://www.campusrush.com/kevin-kelley-pulaski-academy-power-of-not-punting-1338619200.html