The defense gave up 240 yards on the ground and ranked 115th nationally. I believe it was worse the year before. If that is doing a great job then you need to set your standards higher.Then keep Colby because he did a great job with last year's DL.
Getting an NFL coach who has worked with the best players should be able to take that knowledge and help college athletes aspiring to get to the next level. He should be able to prepare them and let them know what it takes to be a professional football player.
I think getting an NFL coach is a much safer bet than hiring a high school coach as some were proposing.
Next season is about improving results on the field and increasing wins. If the defense regresses and the team loses more than it wins the university will be looking for a new head coach and staff.