Not just one of the best coaches, but one of the classier guys in the history of the league. He could have named his price at about 90% of the teams in the NFL when he was stepping down in San Fran but didnt.
Man, back in the day I loved the 'Hawks and the 'Niners. Loved the way in which he handled himself on and off the field. Do not forget that he is the man who cranked out the fraternity of coaches that have all been successful.
Leavitt might be one of those coaches who can build a program from the bottom to a solid program, but might not be someone who can lift them from solid to elite. Forget Knight, the comparison might be Mark Mangino.