USATJ O'Brien has no upcoming fight scheduled. Their most recent bout was against Gesias Cavalcante at BCP: Cage Wars 13 on November 3, 2012.
- Age
- 39
- Height
- 6' 2"
- 188 cm
- Weight
- 155 lbs
- 70.3 kg
- Stance
- Orthodox
- Career bouts
- 28
- Status
- Inactive
Upcoming0
No scheduled fight right now.
Past bouts3
- Sat 3 Nov· PFL· LightweightBCP: Cage Wars 13
- Mon 15 Aug· UFC· Lightweight
vs Cole Miller
RadMer 1: 2nd Round - Sat 20 Nov· UFC· Lightweight
vs Paul Kelly
HDH: Hombres de Honor 15