Lets do stats on best fighters in each of the divisions.

Heavyweight

Wladimir Klitschko
Samuel Peter
Ruslan Chagaev
Sultan Ibragimov
Nikolai Valuev
Oleg Maskaev
Sergei Liakhovich

Cruiserweight

David Haye
Jean Marc Mormeck
Enzo Maccarinelli
Steve Cunningham
O'Neil Bell
Marco Huck

Light Heavyweight

Chad Dawson
Bernard Hopkins
Clinton Woods
Roy Jones Jr
Danny Green
Glen Johnson
Zsolt Erdei
Julio Cesar Gonzalez
Antonio Tarver


Super Middleweight

Joe Calzaghe
Anthony Mundine
Mikkel Kessler
Lucian Bute
Carl Froch
Denis Inkin
Librado Andrade
Edison Miranda
Sakio Bika
Jeff Lacy

Middleweight

Kelly Pavlik
Jermain Taylor
Felix Sturm
Arthur Abraham
John Duddy
Javier Castillejo


Lightmiddleweight

Cory Spinks
Vernon Forrest
Joel Julio
Daniel Santos
Oscar De La Hoya ??
Roman Karmazin

Welterweight

Paul Williams
Miguel Cotto
Floyd Mayweather Jr
Andre Berto
Luis Collazo
Kermit Cintron
Shane Mosley
Julio Cesar Chavez Jr
Joshua Clottey
Antonio Margarito
Zab Judah
Carlos Quintana

Jr Welterweight

Ricky Hatton
Ricardo Torres
Gavin Rees
Paul Malignaggi
Junior Witter
Herman Ngoudjo
Souleymane Mbaye
Demitrius Hopkins

Lightweight

Juan Diaz
David Diaz
Joel Casamayor
Michael Katsidis
Amir Khan
Acelino Freitas
Jose Armando Santa Cruz
Jonathan Thaxton

Super Featherweight

Manny Pacquiao
Juan Manuel Marquez
Mzonke Fana
Joan Guzman
Edwin Valero
Alex Arthur
Kevin Mitchell
Humberto Soto
Jorge Rodrigo Barrios

Featherweight

Chris John
Steve Luevano
Robert Guerrero
Jorge Linares
Jorge Solis

Super Bantamweight

Steve Molitor
Israel Vasquez
Rafael Marquez
Daniel Ponce De Leon
Kiko Martinez
Juan Manuel Lopez
Celestino Caballero

Bantamweight

Hozumi Hasagawa
Wladimir Sidorenko
Joseph Agbeko
Gerry Penalosa
Wladimir Sidorenko

Super Flyweight


Christian Mijares
Alexander Munoz
Dimitri Kirillov
Fernando Montiel
Jorge Arce
Martin Castillo
Z Gorres
Vic Darchinyan
AJ Banal


Flyweight

Nonito Donaire
Daisuke Naito
Omar Andres Narvaez
Koki Kameda
Pongsaklek Wonjongkam
Takefumi Sakata


Jr Flyweight

Edgar Sosa
Ivan Calderon
Brahim Asloum
Ulises Solis
Hugo Fidel Cazares
Omar Salado
Edgar Sosa


Strawweight

Florante Condes
Roman Gonzalez
Yutaka Niida
Eagle Den Junlaphan
Yutaka Niida
Oleydong Sithsamerchai
Donnie Nietes