| heavyweight | |||
 |
Ukraine |
24-0-0 (15 KO's) | WBA Super World |
 |
Russia |
33-2-0 (26 KO's) | WBA World |
 |
Albania |
24-0-0 (22 KO's) | WBA Gold |
| bridgerweight | |||
 |
Russia |
4-0-0 (3 KO's) | WBA World |
 |
Russia |
11-1-0 (7 KO's) | Interim WBA |
| cruiserweight | |||
 |
Mexico |
48-1-0 (30 KO's) | WBA Super World |
| light heavyweight | |||
 |
Russia |
23-1-0 (12 KO's) | WBA Super World |
 |
United States |
31-0-0 (25 KO's) | WBA World |
 |
Venezuela |
22-0-0 (19 KO's) | Interim WBA |
| super middleweight | |||
 |
Mexico |
16-2-0 (11 KO's) | WBA World |
| middleweight | |||
 |
United States |
32-3-3 (19 KO's) | WBA World |
 |
Russia |
16-0-0 (7 KO's) | WBA Gold |
| super welterweight | |||
 |
Puerto Rico |
22-0-0 (13 KO's) | WBA World |
 |
United States |
35-0-0 (31 KO's) | Interim WBA |
 |
Italy |
17-1-0 (13 KO's) | WBA Gold |
| welterweight | |||
 |
United States |
17-2-0 (13 KO's) | WBA World |
 |
France |
25-7-0 (5 KO's) | WBA Gold |
| super lightweight | |||
 |
United States |
18-1-0 (17 KO's) | WBA World |
 |
Russia |
21-2-0 (13 KO's) | WBA Gold |
| lightweight | |||
 |
United States |
30-0-1 (28 KO's) | WBA World |
 |
Costa Rica |
38-4-2 (30 KO's) | WBA Gold |
| super featherweight | |||
 |
Ireland |
24-1-0 (9 KO's) | WBA World |
 |
Russia |
21-1-0 (10 KO's) | Interim WBA |
 |
Argentina |
14-0-0 (7 KO's) | WBA Gold |
| featherweight | |||
 |
United States |
26-2-1 (19 KO's) | WBA World |
| super bantamweight | |||
 |
Japan |
32-0-0 (27 KO's) | WBA Super World |
 |
Dominican Republic |
15-2-0 (6 KO's) | Interim WBA |
 |
Venezuela |
27-2-0 (21 KO's) | WBA Gold |
| bantamweight | |||
 |
Japan |
13-0-3 (8 KO's) | WBA World |
 |
Pakistan |
15-2-0 (10 KO's) | WBA Gold |
 |
United States |
19-1-1 (11 KO's) | Champion in recess |
| super flyweight | |||
 |
United States |
22-0-0 (15 KO's) | WBA World |
 |
Costa Rica |
18-1-0 (12 KO's) | Interim WBA |
 |
Guyana |
30-6-1 (17 KO's) | WBA Gold |
| flyweight | |||
 |
United States |
27-2-0 (18 KO's) | WBA World |
 |
Puerto Rico |
29-4-1 (14 KO's) | Interim WBA |
| light flyweight | |||
 |
Puerto Rico |
14-4-0 (9 KO's) | WBA World |
| minimumweight | |||
 |
Puerto Rico |
13-0-0 (10 KO's) | WBA Super World |
 |
Japan |
6-0-0 (4 KO's) | WBA World |
 |
Puerto Rico |
20-3-2 (6 KO's) | WBA Gold |
