Boxing pound for pound ranking

Rank	Fighter	Record	Weight Class	Title(s)
1	Manny Pacquiao[3]	54–3–2 (38 KO)	Welterweight	WBO Welterweight Champion, WBO Super Champion, WBC Emeritus Champion, WBC Diamond Champion
2	Floyd Mayweather Jr[4]	42–0 (26 KO)	Welterweight	WBC Welterweight Champion, WBC Emeritus Champion
3	Sergio Gabriel Martínez[5]	48–2–2 (27 KO)	Middleweight	The Ring Middleweight Champion, WBC Emeritus Champion WBC Diamond Champion
4	Nonito Donaire[6]	27–1 (18 KO)	Bantamweight
5	Andre Ward[7]	25–0 (13 KO)	Super middleweight	Unified WBA and WBC Super middleweight Champion The Ring Super middleweight Champion
6	Juan Manuel Márquez[8]	53–6–1 (39 KO)	Lightweight	Unified WBA and Super WBO Lightweight Champion The Ring Lightweight Champion
7	Wladimir Klitschko[9]	56–3 (49 KO)	Heavyweight	Unified WBA, Super WBO and IBF Heavyweight Champion The Ring Heavyweight Champion
8	Pongsaklek Wonjongkam[10]	83–3–2 (44 KO)	Flyweight	WBC Flyweight Champion, The Ring Flyweight Champion
9	Timothy Bradley[11]	28–0–0–1 (12 KO)	Junior welterweight	WBC (in recess) and WBO Junior welterweight Champion
10	Vitali Klitschko[12]	43–2 (40 KO)	Heavyweight	WBC Heavyweight Champion, WBC Emeritus Champion

http://en.wikipedia.org/wiki/Ring_Magazine_pound_for_pound