Jason Williams
UFC DebutNickname“The Troublemaker”
Record
Streak
W1
Age
Date of birth
- Fighting out of
- Columbus, Mississippi
- Born
- United States
- Camp
- Troublemaker MMA
- Weight class
- Lightweight
- Height
- 5'10" · 178 cm
Before the UFC
Jason Williams 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
93-74
.557 win rate
Winning-record opponents
5 of 9
carried winning pro records
Pro bouts faced
12
9 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 12 bouts · 9 promotions · wins by 3 KO · 1 sub · 1 decBAMMA USA · FCOC · WSOF 27 · IFS 9 · LBFN 12 +4
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Zach Underwood13-7 | KO/TKO | Knee Injury | R1 | 1:28 | WSOF 27 | Jan 23, 2016 |
| L | Darren Smith Jr.25-14 | Submission | Rear-Naked Choke | R1 | 3:24 | BAMMA USA | Oct 10, 2014 |
| L | Jorge Valdez2-2 | Decision | Split | R3 | 5:00 | BAMMA USA | Mar 15, 2013 |
| L | Robert Emerson21-15 | Submission | Rear-Naked Choke | R1 | 2:05 | FCOC | Aug 16, 2012 |
| W | Gilbert Salinas4-8 | Submission | Rear-Naked Choke | R2 | 0:20 | FCOC | Dec 1, 2011 |
| W | KO/TKO | Punch | R1 | 0:11 | IFS 9 | Sep 18, 2011 | |
| W | Albert Rios13-6 | Decision | Unanimous | R3 | 5:00 | BAMMA USA | Jun 11, 2011 |
| L | Lee Chapman6-9 | Submission | Rear-Naked Choke | R2 | 2:23 | LBFN 12 | May 1, 2011 |
| L | Andy Dermenjian | Submission | Armbar | R1 | 2:54 | King of the West | May 6, 2010 |
| L | John Mowry | Decision | Unanimous | R3 | 5:00 | CCS | Mar 20, 2010 |
| L | Joe Nicholas7-4 | Submission | Guillotine Choke | R2 | — | Apocalypse Fights 4 | Jun 13, 2009 |
| W | Roy Davis | KO/TKO | Punch | R1 | 0:10 | Gladiator Challenge | Apr 23, 2009 |
Non-UFC bouts (regional/other promotions) and Dana White’s Contender Series — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.
Amateur
1-1across 2 amateur bouts · 1 promotionTHFC
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Brian Green32-24 | Submission | Choke | R0 | 0:00 | THFC | Aug 13, 2003 |
| W | Travis Hopkins | Submission | Punches | R1 | 0:00 | THFC | Aug 6, 2003 |
Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.