| Gender | Male |
|---|---|
| Height | 0' 0" |
| Weight Class |
Mark O'Neil is a MMA fighter with a professional fight record of 1 wins, 2 losses and 0 draws
| Pro Record | 1-2-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 2 years, 2 months, 29 days |
| Rounds Fought | 0.0 |
| Avg. Fights/Year | 1.4 |
| Longest Layoff | 1 year, 8 months, 23 days |
| Quickest Turnaround | 6 months, 7 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| NSF | 05/18/2024 | L (1-0-0) | Jan Sulecki (1-1-0) | TKO/RSC (Strikes) Bad to the Bone: Day of Reckoning | 2 | 01:05 | ||
| NSF | 11/11/2023 | W (0-0-0) | Derwyn Brooks (0-0-0) | HW | KO Bad to the Bone: Rise of the Bareknuckle Soldier | 2 | 00:55 | |
| NSF | 02/19/2022 | L (0-0-0) | Hadrian Howard (0-0-0) | Submission (Arm Bar) Retribution Fighting Championship - Fight Night 4 | 1 | 05:00 |
| * 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 |