Grading Michigan football in all facets of a 28-18 win over Arkansas State. The U-M offense got the run game going, but three interceptions and some disappointing defense from the backups left a bad taste after the win. The grades: RELATED: Michigan 28, Arkansas St. 18: Notes, quotes, and observations — the QB conundrum Michigan rushing offense: AKalel Mullings did what we expected to do and then some Saturday, breaking tackles and ripping off a couple big runs of 30 and 38 yards. He needs to be the bell cow against the better teams on the schedule after rushing for 153 yards and averaging 10….