Jake O'Brien Mixed martial arts record Mixed martial arts record

| Res_ | Record | Opponent | Method_ | Event | Round |
|---|---|---|---|---|---|
| Win | 10–0 | Heath Herring | Decision (unanimous) | UFC Fight Night 8 | 3 |
| Win | 9–0 | Josh Schockman | Decision (unanimous) | UFC 65 | 3 |
| Win | 8–0 | Kristof Midoux | TKO (referee stoppage) | UFC Fight Night 6 | 2 |
| Win | 7–0 | Pat Harmon | TKO | UFL – United Fight League | 1 |
| Win | 6–0 | Antoine Hayes | TKO | LOF – Legends of Fighting 6 | 1 |
| Win | 5–0 | Jay White | KO (punch) | WEC 19 | 1 |
| Win | 4–0 | Johnathan Ivey | TKO | LOF – Legends of Fighting 4 | 1 |
| Win | 3–0 | Anthony Ferguson | TKO | LOF – Revolution | 1 |
| Win | 2–0 | Paul Bowers | TKO | IFC – Integrated Fighting Classic 3 | 1 |
| Win | 1–0 | Chris Clark | TKO (referee stoppage) | MT – Madtown Throwdown 3 | 1 |