8) Corrie Sanders (South African)
Total fights: 46, Wins: 42, Wins by KO: 31, Losses: 4, Draws: 0
Cornelius Johannes “Corrie” Sanders became the WBO heavyweight champion by winning against Wladimir Klitschko in 2003. It was one of the biggest upsets in heavyweight category. This South African boxer died on 21 September 2012 after being shot during a robbery. The champ was shot in the stomach and arm as he moved in front of his daughter to protect her.
7) Frans Botha (South African)
Total fights: 65, Wins: 48, Wins by KO: 29, Losses: 13, Draws: 3, No contests: 1
South African boxer Frans Botha nickname “The White Buffalo,” won the IBF World Heavyweight Title in Germany by defeating Axel Schulz in 1995 but later changed to a “No Contest”. Botha was stripped of this title after testing positive for steroids which was reportedly prescribed by a doctor for an arm injury. He fought several world heavyweight champions including Mike Tyson, Lennox Lewis and Wladimir Klitschko. He has also competed in kickboxing and mixed martial arts competition.