( ) = Record in 2012 [ ] = Jan 2012 ranking
1. Floyd Mayweather (1-0) [1]
2. Nonito Donaire (4-0, 2 KO) [4]
3. Juan Manuel Marquez (2-0, 1 KO) [11]
4. Sergio Martinez (2-0, 1 KO) [10]
5. Manny Pacquiao (0-2) [2]
6. Wladimir Klitschko (3-0, 2 KO) [5]
7. Andre Ward (1-0, 1 KO) [7]
8. Vitali Klitschko (2-0, 1 KO) [9]
9. Carl Froch (2-0, 2 KO) [22]
10. Timothy Bradley (1-0) [14]
11. Chris John (2-0) [13] 12. Jorge Arce (2-0, 1 KO) [17] 13. Saul Alvarez (2-0, 1 KO) [16]
14. Robert Guerrero (2-0) [23]
15. Devon Alexander (2-0) [29]
16. Danny Garcia (3-0, 2 KO) [NE]
17. Brandon Rios (2-0, 1 KO) [20]
18. Brian Viloria (2-0, 2 KO) [30]
19. Yuriorkis Gamboa (1-0) [19]
20. Abner Mares (2-0) [33]
21. Adrien Broner (3-0, 3 KO) [NE]
22. Mikkel Kessler (2-0, 2 KO) [32]
23. Lamont Peterson [18]
24. Miguel Cotto (0-2) [8]
25. Lucian Bute [12] (1-1)
26. Ricky Burns (2-0,1 KO) [44]
27. Amir Khan (0-1) [15]
28. Julio Cesar Chavez Jr. (2-1, 1 KO) [31]
29. Marco Huck (1-1-1) [21]
30. Chad Dawson (1-1) [24]
31. Humberto Soto (2-1) [27]
32. Paul Williams (1-0) [36]*
33. Tavoris Cloud (1-0) [35]
34. Orlando Salido (2-0, 2 KO) [42]
35. Austin Trout (2-0) [NE]
36. Hernan Marquez (1-1) [34]
37. Felix Sturm (1-1) [37]34. Orlando Salido (2-0, 2 KO) [42]
35. Austin Trout (2-0) [NE]
36. Hernan Marquez (1-1) [34]
38. Alexander Povetkin (1-0) [46]
39. Anselmo Moreno (1-1, 1 KO) [38]
40. Daniel Geale (2-0) [NE]
41. Paulie Malignaggi (2-0, 1 KO) [NE]
42. Guillermo Rigondeaux (2-0, 2 KO) [NE]
43. Fernando Montiel (3-0, 1 KO) [NE]
44. Zab Judah (1-0, 1 KO) [NE]
45. Andre Berto (0-1) [28]
46. Donnie Nietes (2-0) [NE]
47. Gennady Golovkin (2-0) [NE]
48. Lucas Matthysse (3-0, 3 KO's) [NE]
49. Tomasz Adamek (3-0, 1 KO) [NE]
50. Daniel Ponce De Leon (3-0, 1 KO) [NE]
*Paul Williams will remain in the Top 50 until one year from his tragic accident out of respect
*Rankings are based on world title wins, multi-weight title wins, calibre of opponents, longevity and activity in a calender year.
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