Danny Boy
Rock n' Roll Doggie FOB
Do you mean recently, or all-time? There have to be coaches from smaller schools that started coaching at their alma maters, or coached there early in their careers, only to move on to bigger schools. Bo Schembechler leaps to mind......
Not a bigger school, but Spurrier has not been able to achieve quite the same level of success at USCe that he had at Florida.