| Age | 40 |
|---|---|
| Gender | Male |
| Height | 6' 4" |
| Weight Class | Heavyweight |
| Out of | NV |
Sean O'Brien is a MMA fighter with a amateur fight record of 2 wins, 0 losses and 0 draws
| Amateur Record: | 2-0-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 3 months, 13 days |
| Rounds Fought | 2.0 |
| Avg. Fights/Year | 8.0 |
| Longest Layoff | 3 months, 13 days |
| Quickest Turnaround | 3 months, 13 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| NSF | 10/10/2009 | W (1-0-0) | Mike Morales (1-0-0) | HW | TKO/RSC Fightmare | 2 | 02:50 | |
| NSF | 06/27/2009 | W (0-0-0) | Harold Egan (0-1-0) | TKO/RSC Ultimate Reno Combat: Battleground | 1 | 00:13 |
| * Bouts marked with an 'Official' logo denote results which have been verified by an ABC-recognized athletic commission * Bouts marked with an (*) are considered exhibition bouts and do not count towards the fighter's record * Weights marked with an (*) denote those over the limit for the weight class |