Boxing Champions by Division

An unofficial listing of the crowned and uncrowned boxing champions by weight class. A Fight Insight champion is a based on a combination of ring competition, overall record, quality of victories and sustained performance in a given division. The list is updated monthly. All bouts subject to change.

Heavyweight
Wladimir Klitschko, 51-3 (45)

Cruiserweight
David Haye, 21-1 (20)

Light Heavyweight
Joe Calzaghe, 44-0 (32)

Super Middleweight
Joe Calzaghe, 44-0 (32)

Middleweight
Kelly Pavlik, 34-0 (30)

Junior Middleweight
Sergio Mora, 21-0-1 (5)

Welterweight
Antonio Margarito, 37-5, (27)

Junior Welterweight
Ricky Hatton, 44-1 (31)

Lightweight
Nate Campbell, 32-5 (25)

Junior Lightweight
Manny Pacquiao, 46-3-2 (36)

Featherweight
Chris John, 39-0-1 (20)

Junior Featherweight
Israel Vazquez, 43-4, (31)

Bantamweight
Hozumi Hasegawa, 22-2 (7)

Junior Bantamweight
Fernando Montiel, 36-2-1 (27)

Flyweight
Nonito Donaire, 19-1 (12)

Junior Flyweight
Hugo Cazares, 25-3-1 (19)

Strawweight
Ivan Calderon, 28-0 (6)