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I actually decided to start the list with a couple of coaches who I think will never, ever go to the pros, despite rumors to the contrary.
Les Miles, LSU
The Mad Hatter has been a winner at LSU since his first year. He's one of the winningest coaches in college football (71-17 since moving to LSU) and he looks to be on his way to a second national championship.
However, his crazy antics, like faking a punt on 4th-and-26, wouldn't translate well into the NFL and he knows it. Furthermore, he's dominated the toughest division of the toughest conference in all of college football. Why spoil a good gig?
Miles has seen too many guys try out the NFL and fail, and he seems very happy where he is. After all, he didn't take the head coaching job at Michigan, and that's his alma mater. He'll stick around Death Valley for the foreseeable future.
Mike Gundy, Oklahoma State
What state is Mike Gundy from? Answer: Oklahoma.
Quick, where did Gundy play in college? Too slow, it was Oklahoma State.
Where did he get his first job as a coach? Oklahoma State.
Where was his only head coaching gig? You guessed it: Oklahoma State.
I sincerely believe that Gundy is not interested in coaching anywhere but Oklahoma State. He's had a very successful couple of years and could maybe make it into the NFL if he wanted, but he's already got his dream job. No one will pry him away from Oklahoma State, not even the NFL.