David O'Brien
UFC Debut
Record
Streak
L1
- Fighting out of
- Colorado
- Born
- United States
- Weight class
- Bantamweight
- Height
- 5'8" · 173 cm
Before the UFC
David O'Brien makes their UFC debut
Our striking, grappling, and schedule metrics are measured from UFC fights, so they come online after this bout. Here is the career they bring in — and how live the opposition has been.
Pre-UFC opposition
ModerateOpponents' combined record
22-14-1
.611 win rate
Winning-record opponents
1 of 3
carried winning pro records
Pro bouts faced
4
3 opponents with records on file
A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.
UFC fight history
No UFC bouts on record yet.
Outside the UFC
across 4 bouts · 4 promotions · wins by 2 sub · 1 decSCL 56 · SCL 50 · SCL 43 · SCL
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Manny Madril2-2 | KO/TKO | Punch | R1 | 0:12 | SCL 56 | Jan 7, 2017 |
| W | Youssef Zalal18-6-1 | Decision | Unanimous | R3 | 3:00 | SCL 50 | Jul 16, 2016 |
| W | Nate Cortez2-6 | Submission | Rear-Naked Choke | R1 | 0:25 | SCL 43 | Aug 22, 2015 |
| W | Aaron Lopez | Submission | Kimura | R1 | 0:38 | SCL | Nov 15, 2014 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.