Great defensive mind. Super Bowl Jets, Super Bowl Vikings, Super Bowl Bears, Eagles. All great defenses that attacked the QB. Funny guy. Referred to players by their numbers, even in the hotel corridors.
I find it interesting that he probably would have retired with a much better reputation if he had never become a head coach. All of these articles about his passing describe him as a defensive mastermind, but I also remember him as a head coach with a mediocre career record and an abysmal playoff track record even with some strong Philadelphia teams.