Parcells took 2 franchises to the superbowl, another to a championship game and a 4th returned to the playoffs after like a decade off. If he ain't the goat who can match that success across multiple organizations?
Who says you have to do it across multiple organizations? Are Lombardi and Walsh diminished because they did it with one team?
Ring the bells that still can ring
Forget your perfect offering
There is a crack, a crack in everything
That's how the light gets in - Leonard Cohen