He was a bust at usc---no big surprise. Clay's cleaning house to save his millions in salary.
When a coach has a season that ends him on a warm seat, he will fire assistants in order to take the focus off of him and stall for time.
Then with a second losing season, he ends up fired himself.
Fulmer had a bad season, so he sacrificed Randy Sanders but that only bought time. He was saved by Cutcliffe again, then Cutcliffe left and the inevitable happened.