Heavyweight
| Holder |
Won |
Defenses |
| Joe Louis |
KO 13 Sam Langford |
TKO 9 Oliver McCall |
|
Lightheavyweight
| Holder |
Won |
Defenses |
| Graciano Rocchigiani |
TKO 9 Tiger Jack Fox |
|
|
Middleweight
| Holder |
Won |
Defenses |
| Panama Joe Gans |
TKO 9 Rocky Mattioli |
|
|
Welterweight
| Holder |
Won |
Defenses |
| Pipino Cuevas |
KO 7 Lloyd Honeyghan |
|
|
Lightweight
| Holder |
Won |
Defenses |
| Joe Gans |
W 15 Azumah Nelson |
W 15 Freddy Welsh |
|
Featherweight
| Holder |
Won |
Defenses |
| Kid Chocolate |
W 15 Juan Meza |
|
| Young Griffo |
TKO 8 Kid Chocolate |
|
|
Bantamweight
| Holder |
Won |
Defenses |
| Fighting Harada |
W 15 Sixto Escobar |
|
|
Flyweight
| Holder |
Won |
Defenses |
| Michael Carbajal |
TKO 9 Yuri Arbachakov |
|
|
