A rotation of Michigan backs racked up 326 net rushing yards and the Nittany Lions ' defensive line got almost no pushback , forcing only 14 yards lost on the ground .
Penn State allowed over 300 rushing yards for the second time in four games .
A rotation of Michigan backs racked up 326 net rushing yards and the Penn State   ' defensive line got almost no pushback , forcing only 14 yards lost on the ground .
Penn State allowed over 300 rushing yards for the second time in four games .