| HEAVYWEIGHTS |
| The Ring: Wladimir Klitschko 47-3 (42) |
| WBC: Samuel Peter 30-1 (23 KOs) |
| WBA: Ruslan Chagaev 24-0-1 NC (17 KOs) |
| WBO: Wladimir Klitschko 50-3 (44 KOs) |
| IBF: Wladimir Klitschko 50-3 (44 KOs) |
| IBO: Wladimir Klitschko 50-3 (44 KOs) |
| CRUISERWEIGHTS 190 Pounds |
| The Ring: David Haye 20-1 (19 KOs) |
| WBC: David Haye 21-1 (20 KOs) |
| WBA: David Haye 21-1 (20 KOs) |
| WBO: David Haye 21-1 (20 KOs) |
| IBF: Steve Cunningham 20-1 (10 KOs) |
| IBO: vacant |
| LIGHT HEAVYWEIGHTS 175 Pounds |
| The Ring: Bernard Hopkins 47-4-1 (32) |
| WBC: Chad Dawson 24-0 (15 KOs) |
| WBA: Danny Green 25-3 (22 KOs) |
| WBO: Zsolt Erdei 25-0 (15 KOs) |
| IBF: Clinton Woods 41-3-1 (24 KOs) |
| IBO: VACANT |
| SUPER MIDDLEWEIGHT 168 Pounds |
| The Ring: Joe Calzaghe 43-0 (31 KOs) |
| WBC: Joe Calzaghe 43-0 (31 KOs) |
| WBA: Joe Calzaghe 43-0 (31 KOs) |
| WBO: Joe Calzaghe 43-0 (31 KOs) |
| IBF: Lucian Bute 22-0 (18 KOs) |
| IBO: Peter Mashamaite 16-5-1 (8ko |
| MIDDLEWEIGHTS 160 Pounds |
| The Ring: Kelly Pavlik 32-0-0 (29 KOs) |
| WBC: Kelly Pavlik 32-0 (29 KOs) |
| WBA: Felix Sturm 28-2-1 (12 KOs) |
| WBO: Kelly Pavlik 32-0-0 (29 KOs) |
| IBF: Arthur Abraham 25-0 (20 KOs) |
| IBO: Raymond Joval 35-4 (16 KOs) |
| JUNIOR MIDDLEWEIGHT 154 Pounds |
| The Ring: Cory Spinks 36-4 (11 KOs) |
| WBC: Vernon Forrest 40-2-0-1 (29 KOs) |
| WBA: Joachim Alcine 30-0 (19 KOs) |
| WBO: Sergei Dzindziruk 34-0 (22 KOs) |
| IBF: Cory Spinks 36-3 (11 KOs) |
| IBO: Attila Kovacs 19-1 (12 KOs) |
| WELTERWEIGHT 147 Pounds |
| The Ring: Floyd Mayweather Jr. 37-0 (24 KOs) |
| WBC: Floyd Mayweather Jr. 37-0 (24 KOs) |
| WBA: Miguel Cotto 28-0 (23 KOs) |
| WBO: Paul Williams 33-0 (24 KOs) |
| IBF: Kermit Cintron 27-1 (25 KOs) |
| IBO: VACANT |
| JUNIOR WELTERWEIGHT 140 Pounds |
| The Ring: Floyd Mayweather Jr. 39-0 (25 KOs) |
| WBC: Junior Witter 36-1-2 (21 KOs) |
| WBA: Gavin Rees 27-0 (13 KOs) |
| WBO: Ricardo Torres 32-1 (28 KOs) |
| IBF: Paul Malignaggi 24-1 (5 KOs) |
| IBO: VACANT |
| LIGHTWEIGHT 135 Pounds |
| The Ring: Joel Casamayor 34-3-1 (21 KOs) |
| WBC: David Diaz 33-1-1 (17 KOs) |
| WBA: Nate Campbell 32-5-1 (25 KOs) |
| WBO: Nate Campbell 32-5-1 (25 KOs) |
| IBF: Nate Campbell 32-5-1 (25 KOs) |
| IBO: VACANT |
| JUNIOR LIGHTWEIGHT 130 Pounds |
| The Ring: Manny Pacquiao 42-3-2 (32) |
| WBC: Juan Manuel Marquez 47-3-1 (35 KOs) |
| WBA: Edwin Valero 20-0 (20 KOs) |
| WBO: Joan Guzman 26-0 (17 KOs) - Alex Arthur 25-1 (19 KOs) |
| IBF: Malcolm Klassen 19-3-2 (10 KOs) |
| IBO: VACANT |
| FEATHERWEIGHT 126 Pounds |
| The Ring: Chris John 38-0-1 (20) |
| WBC: In Jin Chi 31-3-1 (18 KOs) - Jorge Linares 24-0 (15 KOs) |
| WBA: Chris John 38-0-1 (20 KOs) |
| WBO: Steven Luevano 33-1 (15 KOs) |
| IBF: Robert Guerrero 20-2-1 (13 KOs) |
| IBO: VACANT |
| JUNIOR FEATHERWEIGHT 122 Pounds |
| The Ring: Rafael Marquez 37-3 (33 KOs) |
| WBC: Rafael Marquez 37-3 (33 KOs) |
| WBA: Celestino Caballero 25-2 (18 KOs) |
| WBO: Daniel Ponce De Leon 30-1 (28 KOs) |
| IBF: Steve Molitor 23-0 (9 KOs) |
| IBO: VACANT |
| BANTAMWEIGHT 118 Pounds |
| The Ring: Hozumi Hasegawa 22-2 (7 KOs) |
| WBC: Hozumi Hasegawa 21-2 (7 KOs) |
| WBA: Wladimir Sidorenko 19-0-1 (6 KOs) |
| WBO: Jhonny Gonzalez 33-4 (28 KOs) |
| IBF: Rafael Marquez 34-3 (30 KOs) |
| IBO: VACANT |
| JUNIOR BANTAMWEIGHT 115 Pounds |
| The Ring: Cristian Mijares 30-3-2 (12 KOs) |
| WBC: Cristian Mijares 30-3-2 (12 KOs) |
| WBA: Alexander Munoz 30-2 (27 KOs) |
| WBO: Fernando Montiel 32-2-1 (24 KOs) |
| IBF: VACANT |
| IBO: VACANT |
| FLYWEIGHT 112 Pounds |
| The Ring: Daisuke Naito 31-2-2 (20 KOs) |
| WBC: Daisuke Naito 31-2-2 (20 KOs) |
| WBA: Takefumi Sakata 31-4-1 (15 KOs) |
| WBO: Omar Narvaez 23-0-2 (15 KOs) |
| IBF: Nonito Donaire 18-1 (11 KOs) |
| IBO: |