Brian Warren
UFC DebutNickname“Mr. Unbreakable”
Record
Streak
L3
Age
Date of birth
- Fighting out of
- San Bernardino, California
- Born
- United States
- Camp
- Unbreakable Gym
- Weight class
- Middleweight
- Height
- 6'0" · 183 cm
Before the UFC
Brian Warren 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.
UFC debut
Aug 20, 2026
Pre-UFC opposition
StrongOpponents' combined record
442-281-16
.611 win rate
Winning-record opponents
21 of 34
carried winning pro records
Pro bouts faced
37
34 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 37 bouts · 24 promotions · wins by 6 KO · 7 sub · 5 decKOTC · Bellator · BFC · GC · Gladiator Challenge +19
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Buddy Clinton11-6 | Decision | Unanimous | R5 | 5:00 | KOTC | Nov 18, 2021 |
| L | J.J. Ambrose36-11-1 | Submission | Guillotine Choke | R2 | 0:50 | Bellator | Jan 17, 2013 |
| L | Ben Saunders23-13-2 | KO/TKO | Knees | R1 | 0:22 | BFC | Jul 20, 2012 |
| W | Jeff Russell0-2 | KO/TKO | Punches | R1 | 1:20 | GC | Jun 24, 2012 |
| W | Jeff Russell0-2 | Submission | Rear-Naked Choke | R1 | 0:48 | Gladiator Challenge | Apr 29, 2012 |
| W | John De La O10-7 | KO/TKO | Punches | R1 | 1:47 | KOTC | Dec 15, 2011 |
| W | Decision | Unanimous | R3 | 5:00 | KOTC | Sep 15, 2011 | |
| W | Gabe Rivas14-26-1 | Submission | Triangle Choke | R1 | 1:38 | KOTC | Dec 9, 2010 |
| L | Jeremy Horn92-22-5 | Submission | Arm-Triangle Choke | R1 | 3:09 | UFO | Jul 24, 2010 |
| W | George Sanchez3-18 | Submission | Armbar | R2 | 2:55 | PureCombat 11 | May 7, 2010 |
| W | Lee Chapman6-9 | KO/TKO | Punches | R2 | 2:51 | CITC 6 | Feb 27, 2010 |
| L | Tiki Ghosn10-7-1 | Decision | Unanimous | R3 | 5:00 | Call To Arms | May 16, 2009 |
| W | Victor Valenzuela13-6-2 | Decision | Unanimous | R3 | 5:00 | KOTC | Dec 11, 2008 |
| L | Jeremiah Metcalf13-7 | Submission | Rear-Naked Choke | R1 | 1:16 | CCFC | Nov 1, 2008 |
| W | Erik Meaders3-12-1 | Decision | Unanimous | R3 | 5:00 | KOTC | Oct 16, 2008 |
| L | Decision | Unanimous | R3 | 3:00 | Invincible | Jun 21, 2008 | |
| D | James Dodge2-2-1 | Draw | — | R2 | 5:00 | GC 77 | Apr 12, 2008 |
| L | Paul Arras5-3 | KO/TKO | — | R1 | 3:53 | KOTC | Dec 2, 2007 |
| L | Nate Loughran11-2 | Submission | Rear-Naked Choke | R1 | 2:39 | PFC 4 | Oct 18, 2007 |
| L | KO/TKO | Punches | R1 | 2:53 | BIB | Nov 17, 2006 | |
| L | James Fanshier18-12 | KO/TKO | Doctor Stoppage | R2 | 2:30 | KOTC | Aug 4, 2006 |
| L | Cung Le9-3 | KO/TKO | Punches | R1 | 4:19 | Strikeforce | Jun 9, 2006 |
| W | Brodie Farber17-7 | Submission | Triangle Choke | R2 | 1:54 | PF 1 | May 12, 2006 |
| W | Rubin Taigle4-4 | KO/TKO | Punches | R1 | 1:15 | KOTC | Dec 2, 2005 |
| W | Paul Karsky13-24-1 | KO/TKO | Cut | R1 | 2:32 | KOTC | Sep 23, 2005 |
| L | Jared Rollins | KO/TKO | Punches | R1 | 3:28 | Venom | Sep 18, 2004 |
| W | Patrick Murphy4-3 | Submission | Choke | R1 | 1:25 | LOTC | Jun 5, 2004 |
| W | Louie Vaith4-2 | Decision | Unanimous | R2 | 5:00 | KOTC | Aug 2, 2002 |
| L | Adam Lynn17-10 | Decision | — | R2 | 5:00 | KOTC | Feb 9, 2002 |
| L | Jason Miller23-10 | Submission | Rear-Naked Choke | R1 | 3:15 | UP 1 | Nov 11, 2001 |
| W | Rudy Duran2-4 | Submission | Armbar | R1 | 1:12 | KOTC | Sep 29, 2001 |
| W | Oscar Oscar0-1 | KO/TKO | Punches | R1 | 2:53 | KOTC | Feb 5, 2000 |
| L | Jake Shields33-11-1 | Decision | Unanimous | R1 | 10:00 | CFF | Dec 11, 1999 |
| L | Rodrigo Teixeira | Submission | Armbar | R1 | — | ESF | May 15, 1999 |
| W | Decision | — | R1 | 10:00 | KK 15 | May 3, 1999 | |
| W | David Ray Pineda | Submission | Armbar | R1 | 1:57 | KK 14 | Apr 5, 1999 |
| L | Karo Parisyan24-12 | Submission | Ankle Lock | R1 | 0:44 | KK 12 | Feb 1, 1999 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.