☰
| Age | 31 |
|---|---|
| Gender | Male |
| Height | 5' 6" |
| Weight Class | Lightweight |
| Out of | Australia |
James O'Brien is a MMA fighter with a amateur fight record of 1 wins, 4 losses and 0 draws
| Amateur Record: | 1-4-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 7 months, 17 days |
| Rounds Fought | 7.8 |
| Avg. Fights/Year | 8.6 |
| Longest Layoff | 4 months, 18 days |
| Quickest Turnaround | 2 weeks |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
 | 10/27/2018 | L (1-3-0) | Charles Jones (0-1-0) | LW (150.2 vs. 149.2) | TKO/RSC STFC 48 Ammy | 2 | 01:19 | |
| | 10/13/2018 | W (0-3-0) | Giovanni Compos (2-0-0) | FTW (146.5* vs. 148.0*) | Decision (Unanimous Decision) Valor Fight League 5 | 3 | 03:00 | |
| | 09/08/2018 | L (0-2-0) | Santos Rodriguez (0-2-0) | FTW (144.6 vs. 145.3) | Submission (Rear Naked Choke) Rocks Xtreme Fight Night xxiv Amature | 1 | 02:47 | |
| | 04/21/2018 | L (0-1-0) | Christopher Miller-Cox (2-3-0) | LW (153.5 vs. 155.5) | TKO/RSC The Brazos Throwdown 4 | 1 | 02:32 | |
| | 03/10/2018 | L (0-0-0) | Lukas Aguilar (0-0-0) | FTW (147.6* vs. 142.6) | Submission (Rear Naked Choke) Rocks Xtreme Fight Night XXIII Ammi | 2 | 01:50 |
| * 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 |