O

Oban Elliott

12-5-07 UFC fights

Ode' Osbourne

13-10-014 UFC fights

Oli Thompson

21-13-02 UFC fights

Oliver Enkamp

11-4-02 UFC fights

Olivier Aubin-Mercier

21-5-012 UFC fights

Olivier Murad

7-1-01 UFC fight

Ollie Schmid

4-3-02 UFC fights

Oluwale Bamgbose

6-4-05 UFC fights

Omar Morales

11-4-08 UFC fights

Omari Akhmedov

24-8-115 UFC fights

Opponent TBA

—2 UFC fights

Orion Cosce

8-2-04 UFC fights

Oron Kahlon

16-2-01 UFC fight

Oscar Cota

11-3-01 UFC fight

Oscar Ravello

13-4-11 UFC fight

Oskar Piechota

11-3-16 UFC fights

Otari Tanzilovi

10-2-03 UFC fights

Ottman Azaitar

13-3-05 UFC fights

Oumar Sy

12-3-06 UFC fights

Ovince Saint Preux

27-18-028 UFC fights

Ozzy Diaz

10-5-05 UFC fights

Ozzy Martin

4-1-01 UFC fight