Canadian heavyweight boxing legend George Chuvalo dies at 89

George Chuvalo, one of Canada's most celebrated heavyweight boxers, has died at the age of 89. He built his legendary reputation by facing some of the sport's greatest champions, including Muhammad Ali and Joe Frazier. Chuvalo was widely admired for a remarkable career achievement: he was never knocked out or knocked down throughout his entire professional boxing career. His extraordinary durability in the ring set him apart as one of the toughest heavyweights in the history of the sport.