NFL coach Marv Levy had a successful 18-year coaching career, most of it with the Buffalo Bills. At 68, he became the oldest coach in the history of Super Bowl. He also served as the coach of the Kansas City Chiefs and was later named to the Pro Football Hall of Fame.
Brad Childress had a career of over 4 decades, coaching various NFL and college teams. His best stint was as the Minnesota Vikings head coach, where he mentored star players Adrian Peterson and Percy Harvin. He has also coached teams such as Illinois, Wisconsin, and the Philadelphia Eagles.