Name Title Reign Title Recognition Successful Defenses
1. United Kingdom Joe Calzaghe 10 years, 11 months, 15 days IBF, WBA, WBO, WBC, The Ring 21
2. Germany Sven Ottke 5 years, 5 months, 3 days IBF, WBA (Super) 21
3. United States Frankie Liles 4 years, 10 months, 0 days WBA 8
4. Romania Lucian Bute 4 years, 7 months, 7 days IBF 9
5. United Kingdom Chris Eubank 4 years, 4 months, 0 days WBO 14
6. United States Andre Ward 4 years, 6 months, 3 weeks and 1 day WBA (Super), WBC, The Ring 6
7. South Korea Chong-Pal Park 3 years, 7 months, 17 days IBF, WBA 10
8. United Kingdom Nigel Benn 3 years, 4 months, 28 days WBC 9
9. Germany Robert Stieglitz 3 years, 0 months, 3 days WBO 6
10. Denmark Mikkel Kessler 2 years, 11 months, 23 days WBA (Super) 4