On his 89th birthday, George Chuvalo — the son of Croatian immigrants who became Canada's most enduring heavyweight — died in Toronto, the city that shaped him. He never once touched the canvas across 93 professional fights, earning from Muhammad Ali the highest compliment the sport could offer: the title of toughest opponent Ali ever faced. But it was the suffering that came after the fighting — the loss of three sons and a wife to overdoses and suicide — that redirected his formidable will toward a quieter, harder kind of courage. He spent his final decades traveling Canada not as a champion
George Chuvalo, Canada's Undefeated Heavyweight Legend, Dies at 89
Chuvalo lost three sons and his wife to drug overdoses and suicide, which motivated his later advocacy work.