C.J. Spiller feels like he’s getting back to his old self

Bills running back C.J. Spiller put up more than 1,700 yards of offense last season, which made plenty of people excited about what he’d do for an encore in 2013. Unfortunately for the Bills and Spiller, it’s turned out to be more Caddyshack 2 than Godfather II. Spiller’s battled a high ankle sprain since the…