To do that, we'd need to always be at least as good on defense as we were last year (need better actually, which is harder to do these days) and spotless special teams. We've got much work to do if we were to go that route as we did the Iowa game last season - case in point.they won't....it wins too many games.
I know many would argue that it'd be easier to develop a fairly high octane offense, similar defense as last year, and actually improve the special teams unit to at least be middle of the pack and not one of the worst in the nation.