The roots of the Air Raid offense can be traced throughout the landscape of college football, from the Pacific Northwest to the Shenandoah Valley, but when USC set out to fill the remainder of its staff this offseason, offensive coordinator Graham Harrell didn’t have to dig all that deep.
He barely had to leave his own branch on the Mike Leach coaching tree.
Clay McGuire, the Trojans’ new offensive line coach, has spent the vast majority of his coaching career as a fellow disciple of the Air Raid, two seasons of which he spent with Harrell on Leach’s staff at Washington State.