10 Michael Dokes vs Evander Holyfield
9 Floyd Patterson vs Ingemar Johansson 3
8 Ike Ibeabuchi vs David Tua
7 Bert Cooper vs Michael Moorer
6 Rocky Marciano vs Jersey Joe Walcott
5 George Foreman vs Ron Lyle
4 Muhammad Ali vs Joe Frazier 3
3 Larry Holmes vs Ken Norton
2 Evander Holyfield vs Riddick Bowe 1
1 Joe Frazier vs Muhammad Ali 1


My personal list