| Gender | Male |
|---|---|
| Height | 0' 0" |
| Weight Class |
Zac O’Brien is a MMA fighter with a amateur fight record of 2 wins, 3 losses and 0 draws
| Amateur Record: | 2-3-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 1 year, 5 months, 22 days |
| Rounds Fought | 5.9 |
| Avg. Fights/Year | 3.5 |
| Longest Layoff | 1 year |
| Quickest Turnaround | 2 weeks, 6 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| NSF | 07/21/2023 | L (2-2-0) | Bryn Gwavava (1-1-0) | TKO/RSC Hex Fight Series - Path to Hex 21 | 3 | 00:35 | ||
| NSF | 07/01/2023 | L (2-1-0) | Jesse Swain (3-0-0) | FTW | Submission (Rear Naked Choke) Urban Fight Night 32 | 2 | 03:00 | |
| NSF | 04/29/2023 | W (1-1-0) | Carlos Aranda (1-0-0) | FTW | TKO/RSC Superfight MMA 19 | 1 | 00:34 | |
| NSF | 04/22/2022 | L (1-0-0) | Joe Davis (2-0-0) | FTW | Decision (Unanimous Decision) Hex Fight Series - Path to Hex 16 | 3 | 03:00 | |
| NSF | 01/28/2022 | W (0-0-0) | Stylianos Karasavvidis (0-2-0) | Catchweight | TKO/RSC Hex Fight Series - Path to Hex 15 | 1 | 01:35 |
| * 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 |