Despite completely overhauling the Penn State football roster, Matt Campbell has a pretty good idea where his depth chart will align this season. The Nittany Lions' finished spring practice with a hierarchy on that depth chart , particularly on offense, where quarterback Rocco Becht leads an group that already has shaped a new identity . But Penn State still enters training camp ready to stage multiple position battles before the season-opener Sept. 5 against Marshall at Beaver Stadium. We explored five of those duels, including a potentially key competition on special teams. 1. Running back Penn State Nittany Lions running back Carson Hansen (21) runs with the ball during the Blue-White Spring practice at Beaver Stadium. | Matthew O'Haren-Imagn Images Penn State's backfield rotation will be fascinating to watch. Carson Hansen, Iowa State's leading rusher last season, should be the starter in Week 1 vs. the Thundering Herd.…