Patriots

Can Cardinals’ Robert Nkemdiche reach that next level and hold off Josh Mauro for the starting job? Will rookie Eddie Jackson supplant two-year starter Adrian Amos in Chicago? Can Seattle find a suitable No. 2 across from Richard Sherman? SI's Chris Burke runs down the defensive position battles to watch.

Eight sleeper running backs, from Duke Johnson of the Cleveland Browns, to DeAndre Washington of the Oakland Raiders, who can make you look like a genius in your fantasy football league this season.