Floyd Mayweather v MUHAMMAD ALI V JOE FRAIZIER is now just nine days away . Sportsmail 's Jeff Powell has been counting down the greatest fights . In the sixth of a series of 12 fights that shaped boxing history , we have Sugar Ray Leonard v Roberto Duran . Leonard humiliated his opponent until he said 'No Mas ' - no more . It took Duran three years to reclaim his mantle as a hero in Panama .
Floyd Mayweather v Manny Pacquiao is now just nine days away . Sportsmail 's Jeff Powell has been counting down the greatest fights . In the sixth of a series of 12 fights that shaped boxing history , we have Sugar Ray Leonard v Roberto Duran . Leonard humiliated his opponent until he said 'No Mas ' - no more . It took Duran three years to reclaim his mantle as a hero in Panama .