- Name: Colton O'Brien
- Amateur MMA Record: 2-2-0 (Win-Loss-Draw)
- Nickname: N/A
- Current Streak: 1 Win
- Age: 1990-06-24 | Date of Birth: 1990.06.24
- Last Fight: July 28, 2018 in CMMA
- Weight Class: Middleweight | Last Weigh-In: 185.0 lbs
- Affiliation: N/A
- Height: 6'4" (193cm) | Reach: N/A
- Career Disclosed Earnings: $0 USD
- Born: United States
- Fighting out of: Georgia, United States
Regional Rankings Rankings FAQ
Colton O'Brien is ineligible for regional rankings due to inactivity.
Fighters must have at least one completed MMA bout in the past two years to be ranked.