20. Nick Saban
Not every coach who makes the leap from college football to the NFL can be Pete Carroll, Jimmy Johnson or Barry Switzer. In fact, those are the only three to win championships at both levels among the many who’ve thrown their hat into both rings.
Indeed an overwhelming amount of coaches who graduate to the pros find it difficult to duplicate the success they had on campus. Here are the 20 with the worst track records, ranked from “best” to worst.