FIGHTER SEARCH
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Fighter Directory
| Name | Division | Record | Nationality |
|---|---|---|---|
| John O. Widambwe | Lightweight | 0-8-0 | Tanzania |
| Tony Oakey | Light Heavyweight | 29-6-1 | United Kingdom |
| Lewis Oakford | Cruiserweight | 6-3-0 | England |
| Kelsey Oakley | Flyweight | 0-2-0 | England |
| Ahmond Oates | Super Bantamweight | 1-6-1 | United States |
| Sho Oba | Super Lightweight | 5-4-2 | Japan |
| Issam Obada | Light Heavyweight | 4-0-0 | Morocco |
| Ahmed Obaid | Flyweight | 7-7-3 | Italy |
| Claudio Obando | Featherweight | 3-6-1 | Nicaragua |
| Josue Obando | Cruiserweight | 20-35-2 | Mexico |
| Niyi Obaniyi Oluwafemi | Super Featherweight | 0-3-1 | Nigeria |
| Kento Obara | Lightweight | 5-3-1 | Japan |
| Olawale Obbey | Super Lightweight | 4-7-0 | Nigeria |
| Mario Obenauer | Super Middleweight | 1-54-0 | Germany |
| Atif Oberlton | Light Heavyweight | 15-0-0 | United States |
| Tatjana Obermeier | Heavyweight | 0-2-0 | Germany |
| Josef Obeslo | Cruiserweight | 9-43-3 | Czech Republic |
| Michael Obin | Light Heavyweight | 5-34-1 | Sweden |
| Chris O'Brien | Welterweight | 7-1-2 | England |
| Craig O'Brien | Super Welterweight | 0-1-0 | Ireland |
| Brendan O'Callaghan | Middleweight | 7-4-2 | United States |
| Carlos Ocampo | Super Welterweight | 38-4-0 | Mexico |
| Franco Ocampo | Welterweight | 17-3-0 | Argentina |
| Carlos Ocampo Hernandez | Super Bantamweight | 0-3-1 | Mexico |
| Williams Ocando | Heavyweight | 0-1-0 | Venezuela |
| Ignacio Ocasio | Super Lightweight | 12-1-0 | Puerto Rico |
| Mattia Occhinero | Super Bantamweight | 13-2-1 | Italy |
| Reign O'Cennell | Cruiserweight | 1-2-1 | New Zealand |
| Robin Och | Heavyweight | 7-1-0 | Germany |
| Yasuto Ochi | Featherweight | 1-1-0 | Japan |
| Issei Ochiai | Super Bantamweight | 6-2-0 | Japan |
| Shoto Ochiai | Lightweight | 4-2-0 | Japan |
| Yukiya Ochiai | Super Welterweight | 2-1-0 | Japan |
| Erick Ochieng | Super Welterweight | 0-1-0 | United Kingdom |
| Gabriel Ochieng | Bantamweight | 25-10-1 | Kenya |
| Gentry Ochieng | Light Heavyweight | 0-1-0 | Kenya |
| Yvone Ochieng Akhanga | Super Welterweight | 0-0-0 | Republic of the Congo |
| Javokhir Ochilov | Light Heavyweight | 0-0-0 | Uzbekistan |
| Lara Ochmann | Featherweight | 14-2-0 | Germany |
| Alex Ochoa | Super Bantamweight | 1-3-0 | United States |
| Brady Ochoa | Featherweight | 8-0-0 | USA |
| Cesar Ochoa | Welterweight | 5-2-0 | USA |
| Francisco Ochoa | Super Featherweight | 16-0-0 | Mexico |
| Ivan Ochoa | Super Flyweight | 0-1-0 | Mexico |
| Jairo Ochoa | Featherweight | 21-16-0 | Mexico |
| Jesus Ochoa | Super Middleweight | 0-0-1 | Mexico |
| Juana Ochoa | Bantamweight | 3-5-0 | Mexico |
| Santiago Ochoa | Super Lightweight | 5-3-0 | Venezuela |
| Trini Ochoa | Super Lightweight | 22-1-0 | United States |
| Virgilio Ochoa | Bantamweight | 3-1-1 | Mexico |
| Zachary Ochoa | Super Lightweight | 21-4-0 | Puerto Rico |
| Abubakar Ochola | Welterweight | 0-0-0 | Kenya |
| Ismael Ocles | Light Heavyweight | 15-16-2 | Ecuador |
| Cooper O'Connell | Super Lightweight | 2-0-0 | Australia |
| Shannon O'Connell | Middleweight | 26-8-1 | Australia |
| Danny O'Connor | Super Lightweight | 31-3-0 | United States |
| Ian O'Connor | Super Middleweight | 2-1-1 | Scotland |
| Ish O'Connor | Middleweight | 2-1-0 | United Kingdom |
| Patrick O'Connor | Cruiserweight | 2-0-0 | United States |
| Jeraldine Ocrarit | Super Flyweight | 3-1-0 | Philippines |