George Foreman training ahead of his fight against Joe Frazier in Jamaica in 1974. AFP
George Foreman with the IBF and WBU belts after defeating Axel Schulz of Germany at the MGM Grand Garden in Las Vegas in 1995. AFP
George Foreman during a sparring session in Zaire ahead of 'The Rumble in the Jungle' with Muhammad Ali in 1974. AP
George Foreman at the Sports Illustrated Legacy Awards in Kentucky, 2015. AP
Heavyweight champion George Foreman at the weigh-in ahead of his fight against against Muhammad Ali in Kinshasa, Zaire, in 1974. AP
Muhammad Ali and George Foreman during 'The Rumble in the Jungle' in Zaire, October 30, 1974.
George Foreman ahead of his fight with Russia's Iones Chepulis at the 1968 Mexico Olympics. Foreman won the gold medal. AP
George Foreman during his fight against Germany's Axel Schulz in Las Vegas in 1995. AFP
Muhammad Ali and George Foreman attend the Vanity Fair Oscars Party, in West Hollywood in 1997. Getty Images
George Foreman, then 44, during his defeat against 24-year-old Tommy Morrison via unanimous in Las Vegas in 1993. AFP
Former heavyweight boxing champion George Foreman poses for the media in Beverly Hills to promote 'Birthday Bash' bout with Larry Holmes in honour of their 50th birthdays in 1999. AFP
Referee Joe Cortez pushes George Foreman as Michael Moorer lies flat on his back in the tenth round of their 12 round IBF/WBA heavyweight title bout in in Las Vegas in 1994. Foreman took the title from Moorer and became the oldest fighter to win a championship in any weight class. AFP
Muhammad Ali lands a punch on George Foreman during 'The Rumble in the Jungle' world heavyweight title fight in Zaire in 1974. Getty Images
George Foreman training ahead of his fight against Joe Frazier in Jamaica in 1974. AFP
George Foreman with the IBF and WBU belts after defeating Axel Schulz of Germany at the MGM Grand Garden in Las Vegas in 1995. AFP
George Foreman during a sparring session in Zaire ahead of 'The Rumble in the Jungle' with Muhammad Ali in 1974. AP
George Foreman at the Sports Illustrated Legacy Awards in Kentucky, 2015. AP
Heavyweight champion George Foreman at the weigh-in ahead of his fight against against Muhammad Ali in Kinshasa, Zaire, in 1974. AP
Muhammad Ali and George Foreman during 'The Rumble in the Jungle' in Zaire, October 30, 1974.
George Foreman ahead of his fight with Russia's Iones Chepulis at the 1968 Mexico Olympics. Foreman won the gold medal. AP
George Foreman during his fight against Germany's Axel Schulz in Las Vegas in 1995. AFP
Muhammad Ali and George Foreman attend the Vanity Fair Oscars Party, in West Hollywood in 1997. Getty Images
George Foreman, then 44, during his defeat against 24-year-old Tommy Morrison via unanimous in Las Vegas in 1993. AFP
Former heavyweight boxing champion George Foreman poses for the media in Beverly Hills to promote 'Birthday Bash' bout with Larry Holmes in honour of their 50th birthdays in 1999. AFP
Referee Joe Cortez pushes George Foreman as Michael Moorer lies flat on his back in the tenth round of their 12 round IBF/WBA heavyweight title bout in in Las Vegas in 1994. Foreman took the title from Moorer and became the oldest fighter to win a championship in any weight class. AFP
Muhammad Ali lands a punch on George Foreman during 'The Rumble in the Jungle' world heavyweight title fight in Zaire in 1974. Getty Images
George Foreman training ahead of his fight against Joe Frazier in Jamaica in 1974. AFP
Heavyweight boxing great George Foreman dies aged 76
Fearsome fighter lost to Muhammad Ali in the ‘Rumble in the Jungle’ in 1974 but retook the title 20 years later while also becoming hugely successful businessman