Although Rex Ryan has been a head coach just two seasons in the National Football League, he has already been given legendary status.

What has not been determined yet is whether Ryan has become a legend in the sense of Lombardi, Shula, Belichick — and other NFL coaching icons — for winning.

Or whether he is only legendary in the same way a knucklehead from your graduating class in high school was renown for being a clown.

Ryan cussed up a storm on HBO’s “Hard Knocks,” causing the saintly Tony Dungy to call him out publicly for swearing. Ryan’s reaction: Swear some more.

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