FIGHTER SEARCH
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Fighter Directory
| Name | Division | Record | Nationality |
|---|---|---|---|
| Helaman Olguin | Heavyweight | 9-7-1 | United States |
| Selena Olguin | Super Welterweight | 1-0-0 | Argentina |
| Etinosa Oliha | Middleweight | 22-1-0 | Italian |
| Jack Oliphant | Middleweight | 3-1-0 | England |
| Abraham Oliva | Bantamweight | 5-4-1 | Mexico |
| Nelson Oliva | Super Featherweight | 13-1-0 | United States |
| Ricardo Oliva Martinez | Bantamweight | 3-8-0 | Mexico |
| Everett Olivares | Super Welterweight | 9-3-0 | United States |
| Jesus Olivares | Middleweight | 3-7-0 | Mexico |
| Reidel Olivares | Light Heavyweight | 0-1-0 | Cuba |
| Jaziel Olivares Castellanos | Welterweight | 6-0-2 | Mexico |
| Cristian Olivas | Super Middleweight | 23-11-0 | Mexico |
| Larry Olivas | Flyweight | 4-3-0 | Costa Rica |
| Loretto Olivas | Middleweight | 3-1-0 | Mexico |
| Ramon Olivas | Heavyweight | 18-25-0 | Mexico |
| Jully Oliveira | Super Lightweight | 1-1-0 | Brazil |
| Marcus Oliveira | Heavyweight | 0-3-0 | United States |
| Michael Oliveira | Super Lightweight | 22-2-0 | Brazil |
| Ray Oliveira | Super Lightweight | 0-1-0 | United States |
| Ray Oliveira Jr. | Cruiserweight | 10-4-0 | United States |
| Chris Oliver | Super Lightweight | 2-13-0 | Australia |
| Cuttino Oliver | Bantamweight | 4-0-0 | USA |
| Mike Oliver | Featherweight | 26-12-1 | United States |
| Rennard Oliver | Super Featherweight | 0-0-1 | United States |
| Pablo Oliveto | Super Lightweight | 13-15-1 | Argentina |
| Briza Olivia Garibay | Strawweight | 5-0-2 | Mexico |
| Christian Olivo | Super Featherweight | 23-3-1 | Mexico |
| Kazeem Oliwo | Super Bantamweight | 0-8-0 | Nigeria |
| Ronald Olkwera | Super Bantamweight | 4-6-2 | Kenya |
| Richard Olle | Welterweight | 1-0-0 | Slovakia |
| Tomas Olle | Super Welterweight | 1-1-0 | Slovak Republic |
| Brian Olman | Super Middleweight | 3-8-0 | Australia |
| Bradley Olmeda | Light Heavyweight | 9-1-0 | Puerto Rico |
| Eliezer Olmeda | Welterweight | 4-7-1 | United States |
| David Olmos | Lightweight | 4-3-0 | Chile |
| Fathia Olofintuyi | Heavyweight | 6-1-0 | Nigeria |
| JJ Ologun | Middleweight | 7-1-0 | Nigeria |
| Tunde Olojede | Super Bantamweight | 17-3-0 | Nigeria |
| Taiwo Olowu | Welterweight | 19-4-1 | Nigeria |
| Imole Oloyede | Super Lightweight | 3-2-0 | Nigeria |
| Lawal Oloyede | Middleweight | 0-0-0 | Nigeria |
| Sezer Olpak | Heavyweight | 1-0-0 | Turkey |
| Jenelyn Olsim | Featherweight | 0-0-1 | Philippines |
| Silvio Olteanu | Bantamweight | 16-12-1 | Romania |
| Jesse Oltmanns Jr | Heavyweight | 2-3-0 | USA |
| Larry Olubamiwo | Heavyweight | 11-19-0 | England |
| Taiwo Olumide Bankoli | Lightweight | 10-1-1 | Nigeria |
| David Oluoch | Super Welterweight | 1-2-0 | Kenya |
| Peter Oluoch | Welterweight | 0-3-0 | Kenya |
| Gbenga Oluokun | Heavyweight | 22-20-0 | Nigeria |
| Babatunde Oluwa | Super Welterweight | 0-8-1 | Nigeria |
| Ayodele Oluwafemi | Light Heavyweight | 1-0-0 | Nigeria |
| Blessing Oluwasegun | Super Lightweight | 7-2-0 | Nigeria |
| Bolatito Oluwole | Heavyweight | 9-2-0 | Nigeria |
| Alfonso Olvera | Super Welterweight | 13-10-3 | Mexico |
| Cesar Olvera | Super Featherweight | 2-0-1 | United States |
| Ernesto Olvera | Middleweight | 13-10-1 | Mexico |
| Santiago Olvera | Light Heavyweight | 4-0-0 | Mexico |
| Omar Olvera Contreras | Welterweight | 5-7-3 | Mexico |
| Harry Omac | Flyweight | 7-9-2 | Philippines |