Top 10 Heavyweight Champions:

1. Joe Louis
2. Muhammad Ali
3. Rocky Marciano
4. Larry Holmes
5. Lennox Lewis
6. Jack Johnson
7. George Foreman
8. Joe Friazer
9. Evander Holyfield
10. Mike Tyson



Top 10 Heavyweight Boxers
(i.e, if you put all the heavyweights up against each other, who'd prove to be the hardest to beat... best outta 5! )

1. Lennox Lewis
2. Vitali Klitschko
3. Wladimir Klitschko
4. Muhammad Ali
5. Larry Holmes
6. Evander Holyfield
7. George Foreman
8. Mike Tyson
9. Joe Louis
10. Joe Fraizer