FIGHTER SEARCH
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Fighter Directory
| Name | Division | Record | Nationality |
|---|---|---|---|
| Sian O'Toole | Featherweight | 6-0-0 | England |
| Thomas O'Toole | Light Heavyweight | 15-0-0 | Ireland |
| Mami Otsubo | Super Bantamweight | 1-1-1 | Japan |
| Shohei Otsuka | Lightweight | 4-5-0 | Japan |
| Yuto Otsuka | Light Flyweight | 1-4-0 | Japan |
| Wilhelm Ott | Light Heavyweight | 19-19-1 | Austria |
| Kevin Ottley | Super Welterweight | 7-2-2 | United States |
| Fedrick Otunba | Super Lightweight | 0-3-0 | Nigeria |
| Alvaro Ouaoua | Super Featherweight | 1-4-0 | Spain |
| Newfel Ouatah | Heavyweight | 18-5-0 | France |
| Soufyane Ouazzani Ibrahimi | Light Heavyweight | 3-0-0 | France |
| Messaoud Oubaali | Super Lightweight | 14-0-0 | France |
| Nordine Oubaali | Bantamweight | 17-2-0 | France |
| Yassine Oubikhir | Super Featherweight | 3-0-0 | Morocco |
| Ren Ouchi | Heavyweight | 1-3-0 | Japan |
| Ayman Oudriss | Super Welterweight | 4-0-0 | Germany |
| Oumarou Ouedraogo | Lightweight | 3-1-0 | Burkina Faso |
| Walid Ouizza | Super Lightweight | 21-4-0 | France |
| Aaron Ouma | Super Featherweight | 5-0-0 | Uganda |
| Kassim Ouma | Middleweight | 29-18-1 | Uganda |
| Sofiane Oumiha | Super Featherweight | 8-1-0 | France |
| Hamza Ourahou | Heavyweight | 0-1-0 | Belgium |
| Pavel Ourednik | Heavyweight | 5-1-0 | Czech Republic |
| Greg Outlaw | Heavyweight | 18-2-0 | USA |
| Romario Ovalle | Light Heavyweight | 14-6-0 | Mexico |
| Isaura Ovando | Welterweight | 1-3-0 | Guatemala |
| Arman Ovsepyan | Middleweight | 14-6-0 | Russia |
| Ryuto Owan | Super Bantamweight | 15-2-0 | Japan |
| Jack Owen | Super Middleweight | 3-0-2 | England |
| Bryan Owen Ortiz | Heavyweight | 2-1-0 | Mexico |
| Jack Owens | Welterweight | 4-1-0 | Scotland |
| Rhys Owens | Super Featherweight | 3-1-0 | Ireland |
| Alvin Owino | Welterweight | 4-1-0 | Kenya |
| Daniel Owino | Middleweight | 1-3-0 | Kenya |
| Edwin Owino | Super Bantamweight | 5-0-1 | Kenya |
| Lawrence Owino | Light Flyweight | 7-0-0 | Kenya |
| Umar Owolabi Mustapha | Middleweight | 2-0-0 | Nigeria |
| Martin Owono | Middleweight | 9-46-6 | France |
| Eslih Owusu | Welterweight | 12-2-0 | Ghana |
| Muyideen Oyakojo | Bantamweight | 6-0-0 | Nigeria |
| Sodiq Oyakojo | Light Heavyweight | 10-7-2 | Nigeria |
| Ao Oyama | Flyweight | 0-1-1 | Japan |
| Nurullah Oyan | Strawweight | 0-1-0 | Turkey |
| Cristian Oyarzun | Featherweight | 2-2-0 | Chile |
| Oluwafemi Oyeleye | Super Welterweight | 17-0-0 | Nigeria |
| Babatunde Oyesiji | Featherweight | 10-0-0 | Nigeria |
| Lucky Oyibo | Light Heavyweight | 1-1-1 | Nigeria |
| Yesugen Oyuntsetseg | Super Bantamweight | 3-0-0 | Mongolia |
| Yuki Ozaki | Super Featherweight | 3-1-0 | Japan |
| Giray Ozal | Welterweight | 0-0-0 | Germany |
| Briel Ozaraga | Flyweight | 3-9-1 | Philippines |
| Tamerlan Ozdoev | Lightweight | 6-0-0 | Russia |
| Yusup Ozdoev | Heavyweight | 0-1-0 | Russia |
| Gizem Ozer | Heavyweight | 9-6-0 | Turkey |
| Onder Ozgul | Super Middleweight | 13-0-2 | Turkey |
| Siar Ozgul | Welterweight | 17-7-0 | Turkey |
| Liubomir Ozhovych | Super Lightweight | 4-0-0 | Ukraine |
| Kerem Ozmen | Super Lightweight | 5-0-0 | Turkey |
| Akhmatjonov Ozodbek | Super Welterweight | 1-0-0 | Uzbekistan |
| Ranjana P | Flyweight | 2-1-0 | India |