Tough list, with many a close call

20 Humberto Gonzales
19 Kostya Tszyu
18 Dariusz Michalzweski
17 Saman Sorjaturong
16 Ronald Wright
15 Terry Norris
14 Julio Cesar Chavez
13 Joe Calzaghe
12 James Toney
11 Evander Holyfield
10 Lennox Lewis
9 Marco Antonio Barrera
8 Felix Trinidad
7 Manny Paciquoa
6 Oscar de la Hoya
5 Roy Jones
4 Pernell Whitaker
3 Floyd Mayweather Jr
2 Bernard Hopkins
1 Ricardo Lopez