All Time: Heavyweights
1. Ali
2. Larry Holmes
3. Joe Louis
4. Jack Johnson
5. Evander Holyfield
6. Rocky Marciano
7. Gene Tunney
8. Jack Dempsy
9. John Sullivan
10. George Foreman

All Time: Middleweights
1. Sugar Ray Robinson
2. Marvin Hagler
3. Stanley Ketchel
4. Bernard Hopkins
5. Les Darcy
6. Carlos Monzon
7. James Toney
8. Jake LaMotta
9. Rocky Graziano
10. Tony Zale

All Time: Welterweights
1. Sugar Ray Robinson
2. Sugar Ray Leonard
3. Thomas Hearns
4. Shane Mosley
5. Julio Ceaser Chavez
6. Felix Trinidad
7. Pernell Whitaker
8. Roberto Duran
9. Kostya Tszyu
10. Floyd Mayweather Jr.