| Age | 24 |
|---|---|
| Gender | Male |
| Height | 5' 10" |
| Weight Class | Welterweight |
Michael O'Brien is a MMA fighter with a amateur fight record of 3 wins, 1 losses and 0 draws
| Amateur Record: | 3-1-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 1 year, 3 months, 27 days |
| Rounds Fought | 6.2 |
| Avg. Fights/Year | 3.2 |
| Longest Layoff | 7 months, 12 days |
| Quickest Turnaround | 2 months, 17 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| | 07/26/2025 | L (3-0-0) | Maksim Tsybulka (3-2-0) | WW (145.6 vs. 146.4) | (Ninja Choke) Cage Fury Fighting Championships NextGen 1 | 3 | 01:39 | |
| | 12/14/2024 | W (2-0-0) | Abraham Aluboudi (1-0-0) | SWW (153.0 vs. 152.8) | Submission (Rear Naked Choke) Dead Serious MMA 57 | 1 | 02:01 | |
| | 06/15/2024 | W (1-0-0) | Andrew Stam (1-4-0) | SWW (153.8 vs. 154.0) | Submission (Guillotine Choke) Dead Serious MMA 54 | 3 | 02:30 | |
| | 03/29/2024 | W (0-0-0) | David Johnson (0-0-0) | FTW (150.0* vs. 144.0) | Submission (Rear Naked Choke) Flex Fight Series 33 | 1 | 00:34 |
| * 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 |