| Heavyweight |
| Holder |
Won |
| Joe Louis |
KO 13 Sam Langford |
| |
|
| Lightheavyweight |
| Holder |
Won |
| Graciano Rocchigiani |
TKO 9 Tiger Jack Fox |
| Tommy Gibbons |
W 15 G. Rocchigiani |
| Middleweight |
| Holder |
Won |
| Panama Joe Gans |
TKO 9 Rocky Mattioli |
| Mike McCallum |
TKO12 PJ Gans |
| Welterweight |
| Holder |
Won |
| Pipino Cuevas |
KO 7 Lloyd Honeyghan |
| Cory Spinks |
|
| Rube Ferns |
W15 Cory Spinks |
| Lightweight |
| Holder |
Won |
| Joe Gans |
W 15 Azumah Nelson |
| Featherweight |
| Holder |
Won |
| Kid Chocolate |
W 15 Juan Meza |
| Young Griffo |
TKO8 Kid Chocolate |
| Vicente Saldivar |
DQ11 Young Griffo |
| Bantamweight |
| Holder |
Won |
| Fighting Harada |
W 15 Sixto Escobar |
| Pete Herman |
W 15 Fighting Harada |
| Flyweight |
| Holder |
Won |
| Michael Carbajal |
TKO 9 Yuri Arbachakov |
| Miguel Canto |
W15 Michael Carbajal |
|
|
| Most
Consecutive Wins |
Joe Louis |
19 |
| Most
Consecutive KO's |
In-Chul Baek /
Pipino Cuevas |
7 |
| Most
Consecutive Losses |
Tony Esperti
(HW) |
15 |
| Most
Losses by KO |
Ramon Campos
(LHW) |
13 |
| Most
Punches Thrown (single bout) |
Lou Reece
(FLY) |
1646 |
| Most
Punches Landed (single bout) |
Battling
Nelson (LW) |
499 |
| |
|
|
|
