COACHING There was a fairly shocking amount of coaching turnover for Matt Rhule’s Nebraska following just his second year at the helm. Defensive coordinator Tony White and defensive line coach Terrance Knighton were hired away by Florida State. Passing game coordinator and secondary coach John Butler was promoted to defensive coordinator and Kansas City chiefs assistant defensive line coach Terry Bradden was hired to fill Knighton’s role. The Huskers also brought in Phil Snow, Rhule’s former DC …