Jason St. Louis
UFC DebutNickname“Sumo Samurai”
Record
Streak
W1
- Born
- Canada
- Weight class
- Welterweight
- Height
- 6'1" · 185 cm
Before the UFC
Jason St. Louis 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
218-151-7
.591 win rate
Winning-record opponents
13 of 19
carried winning pro records
Pro bouts faced
23
19 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 23 bouts · 20 promotions · wins by 2 KO · 10 subKOTC · MC 6 · RITR 9 · TKO · TKO 28 +15
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Victor Daychief7-7 | Submission | Triangle Choke | R1 | 0:00 | RITR 9 | Sep 22, 2007 |
| L | Kajan Johnson23-13-1 | KO/TKO | Submission to Punches | R1 | 2:54 | KOTC | Apr 28, 2007 |
| L | Dave Pariseau9-8-1 | Decision | Unanimous | R3 | 5:00 | TKO | Mar 17, 2007 |
| L | Steve Claveau8-8-1 | Submission | Triangle Choke | R1 | 3:02 | TKO 28 | Feb 9, 2007 |
| W | Kevin Manderson19-16-1 | Submission | Armbar | R1 | 1:46 | KOTC | Nov 3, 2006 |
| L | Jason Ireland19-9-1 | Submission | Rear-Naked Choke | R0 | — | KOTC | Oct 6, 2006 |
| L | Jesse Bongfeldt17-6-1 | Submission | Triangle Choke | R1 | 0:41 | BRFS 1 | Sep 9, 2006 |
| L | Steve Vigneault12-6 | KO/TKO | Punches | R2 | 0:30 | TKO 22 | Sep 30, 2005 |
| W | Submission | Triangle Choke | R0 | 0:00 | UGC 6 | Dec 20, 2003 | |
| L | Chris Brennan21-14-1 | Submission | Armbar | R1 | 4:20 | AFC 1 | Jul 24, 2003 |
| W | Submission | Triangle Choke | R1 | 4:10 | UGC 4 | Jun 13, 2003 | |
| W | Brandon Olsen9-10 | Submission | Triangle Choke | R1 | 4:00 | MFC 7 | May 31, 2003 |
| W | Chad Hall | Submission | Strikes | R1 | 1:30 | MC 6 | Apr 12, 2003 |
| W | Sabian Otto0-1 | Submission | Kick | R1 | 0:00 | MC 6 | Apr 12, 2003 |
| W | Brandon Olsen9-10 | Submission | Kimura | R0 | — | MFC 6 | Feb 22, 2003 |
| W | Submission | Triangle Choke | R1 | 1:49 | MFC | Nov 29, 2002 | |
| W | Brad Arbic | KO/TKO | Corner Stoppage | R1 | 5:00 | MFC 5 | Sep 21, 2002 |
| L | Jason Jones7-5 | KO/TKO | — | R1 | 0:00 | MC 4 | May 18, 2002 |
| L | Joel Leblanc | KO/TKO | Submission to Punches | R1 | 3:57 | UCC 7 | Jan 25, 2002 |
| L | Submission | Triangle Choke | R1 | 1:49 | MFC 2 | Nov 24, 2001 | |
| L | Steve Vigneault12-6 | KO/TKO | Corner Stoppage | R1 | 10:00 | UCC 4 | May 12, 2001 |
| W | David Loiseau23-11 | KO/TKO | Punches | R1 | 2:42 | UCC 3 | Jan 27, 2001 |
| W | Marc Longpre | Submission | Scarf Hold Armlock | R1 | 0:24 | UCC 2 | Aug 12, 2000 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.