Ann Arbor — If one thing has been learned through eight games, Michigan is a run-first team. Everyone knew that coming into the season, but with the addition of freshman Bryce Underwood, there seemed to be some promise of a burgeoning pass game. Time will tell, and that pass-game eruption might come next season, but the Wolverines’ offensive strength is its two-prong rushing attack with Justice Haynes and Jordan Marshall. Haynes is the nation’s third-ranked rusher averaging 122.4 yards a game and on Monday was named co-offensive player of the week after rushing for 152 yards on 26 carries and scoring two touchdowns in the 31-20 victory at Michigan State last Saturday. He and Marshall, who...