Heavyweights
1. Ali
2. Frazier
3. Foreman
4. Tyson
5. Marciano
6. Dempsey
7. Wlad Klitschko
8. Lewis
9. Vit. Klitschko
10. Arreola

Light Heavyweight
1. Jones Jr.
2. Haye
3. Dawson
4. Adamek
5. Holyfield
6. Tunney (Technically a Heavyweight, but he weighed about 175 for his career so may as well toss him in as a Light Heavyweight
7. Calzaghe
8. Toney
9. Bute

Middleweight
1. Hagler
2. Leonard
3. Hearns
4. Robinson
5. Pavlik
6. Abraham
7. Wright
8. Williams
9. Sturm
10. Taylor

Welterweight
1. Hatton
2. Cotto
3. Margarito
4. Mosley
5. Whitaker
6. De La Hoya
7. Berto
8. Trinidad
9. Clottley
10. Urango

Lightweight
1. Duran
2. Mayweather Jr.
3. Pacquiao
4. Diaz
5. Valero
6. Marquez
7. Casamayor
8. Gamboa
9. Barrera