Before the UFC
Aaron Birn 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
StrongOpponents' combined record
17-7-1
.708 win rate
Winning-record opponents
2 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 1 sub · 1 decCCS · TFA 15 · TFA 14 · NFAMMA
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Submission | Kneebar | R1 | 2:20 | CCS | Mar 20, 2010 | |
| L | Eddie Mendez8-3-1 | Submission | Rear-Naked Choke | R2 | 2:42 | TFA 15 | Jun 6, 2009 |
| W | Deshalen Barber | Decision | Split | R3 | 3:00 | TFA 14 | Apr 25, 2009 |
| W | Dennis Chapman1-2 | Submission | Guillotine Choke | R1 | 0:48 | NFAMMA | Mar 5, 2009 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.