In 1990, Muhammad Ali, Ken Norton and Larry Holmes went on the Phil Donahue Show to promote their Documentary "Champions Forever". This is very rare footage._____________________________________________________________________________________Tags: muhammad ali joe frazier ken norton larry holmes phil donahue show boxing best tribute video highlight compilation rare footage mike tyson fedor emelianenko david haye amir khan oscar de la hoya floyd mayweather manny pacquiao dereck chisora face off wladimir klitschko klitchko nonito donaire vitali lennox lewis jack dempsey joe louis frazier sugar ray leonard roy jones arturo gatti robinson