Grading Michigan football in all facets of a 27-24 win over Minnesota. There was a lot good and a lot bad in every facet … the good barely won Saturday. The grades: RELATED: Michigan 27, Minnesota 24: Notes, quotes, and observations – ‘back to the drawing board’ Michigan rushing offense: BThere was some good variety here early, including the way they used Donovan Edwards, spitting him out and then motioning him back behind the quarterback. But Kalel Mullings was the bell cow, getting his first start, and he was very good again. His 24 carries for 111 yards led the team and included a 27-yard t…