Column-Whose Michigan offense is it, anyway? ‘Diabolical’ Jim Harbaugh’s

Michigan offensive coordinator Josh Gattis has left for Miami, only a few months after winning the Broyles Award as the nation’s top assistant coach. But one thing was clear last year — his ‘speed in space’ had been replaced by old school Jim Harbaugh offense.  That made many wonder — who was really behind the wheel while Michigan trucked opponent after opponent on the ground?