Jason Williams
“The Troublemaker”
Age: 43 | Nov 19, 1981
Nationality: United States
Weight Class: Lightweight
Height: 5'10"
Weight: 155 lbs
Professional Record
| 12 fights | 5 wins | 7 losses |
|---|---|---|
| KO/TKOs | 3 | 0 |
| Submissions | 1 | 5 |
| Decisions | 1 | 2 |
Fight Details
| Result | Record | Opponent | Event | Date | Method | Referee | Round | Time |
|---|---|---|---|---|---|---|---|---|
| WIN | 5 - 7 - 0 | Zach Underwood | WSOF 27 - Firmino vs. Fodor | January 23, 2016 | TKO (Knee Injury) | 1 | 1:28 | |
| LOSS | 4 - 7 - 0 | Darren Smith Jr. | BAMMA USA - Badbeat 13 | October 10, 2014 | Submission (Rear-Naked Choke) | 1 | 3:24 | |
| LOSS | 4 - 6 - 0 | Jorge Valdez | BAMMA USA - Badbeat 8 | March 15, 2013 | Decision (Split) | 3 | 5:00 | |
| LOSS | 4 - 5 - 0 | Robert Emerson | FCOC - Fight Club OC | August 16, 2012 | Submission (Rear-Naked Choke) | 1 | 2:05 | |
| WIN | 4 - 4 - 0 | Gilbert Salinas | FCOC - Fight Club OC | December 01, 2011 | Submission (Rear-Naked Choke) | 2 | 0:20 | |
| WIN | 3 - 4 - 0 | Christian Bizarretty | IFS 9 - Fight of Kings | September 18, 2011 | KO (Punch) | 1 | 0:11 | |
| WIN | 2 - 4 - 0 | Albert Rios | BAMMA USA - Badbeat 2 & the ALFA League 3 | June 11, 2011 | Decision (Unanimous) | 3 | 5:00 | |
| LOSS | 1 - 4 - 0 | Lee Chapman | LBFN 12 - Long Beach Fight Night 12 | May 01, 2011 | Submission (Rear-Naked Choke) | 2 | 2:23 | |
| LOSS | 1 - 3 - 0 | Andy Dermenjian | King of the West - Rage Against the Ropes | May 06, 2010 | Submission (Armbar) | 1 | 2:54 | |
| LOSS | 1 - 2 - 0 | John Mowry | CCS - Collision in the Cage | March 20, 2010 | Decision (Unanimous) | 3 | 5:00 | |
| LOSS | 1 - 1 - 0 | Joe Nicholas | Apocalypse Fights 4 - War | June 13, 2009 | Submission (Guillotine Choke) | 2 | N/A | |
| WIN | 1 - 0 - 0 | Roy Davis | Gladiator Challenge - Venom | April 23, 2009 | KO (Punch) | 1 | 0:10 |
Upcoming Major Events
One Championship - One 173
Aug 01, 2025
UFC on ESPN 71 - Taira vs. Park
Aug 02, 2025
KSW 109 - Kuberski vs. Paczuski
Aug 09, 2025
UFC on ESPN 72 - Dolidze vs. Hernandez
Aug 09, 2025
One Championship - One Friday Fights 120
Aug 15, 2025
UFC 319 - Du Plessis vs. Chimaev
Aug 16, 2025
UFC Fight Night 257 - Walker vs. Zhang
Aug 23, 2025