Justin Wieman
UFC DebutNickname“Shaggy”
Record
Streak
L1
- Fighting out of
- Kenasha, Wisconsin
- Born
- United States
- Weight class
- Welterweight
Before the UFC
Justin Wieman 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
ModerateOpponents' combined record
321-327-6
.495 win rate
Winning-record opponents
15 of 23
carried winning pro records
Pro bouts faced
29
23 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 29 bouts · 29 promotions · wins by 5 KO · 12 sub · 2 decGFS 55 · Mainstream MMA 10 · GFS · RS 5 · MT 11 +24
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Jesse Lennox14-4 | KO/TKO | Submission to Punches | R1 | 2:38 | GFS 55 | Oct 4, 2008 |
| W | Sam Jackson10-22 | Submission | Guillotine Choke | R1 | — | Mainstream MMA 10 | Sep 13, 2008 |
| W | Submission | Guillotine Choke | R1 | 0:31 | GFS | May 17, 2008 | |
| W | Submission | Rear-Naked Choke | R1 | 2:37 | RS 5 | May 12, 2007 | |
| W | Paul Georgieff6-2 | Submission | Kimura | R0 | 0:00 | MT 11 | Apr 28, 2007 |
| W | Matt Delanoit27-14 | Submission | Rear-Naked Choke | R1 | 4:13 | RS 4 | Nov 3, 2006 |
| W | Gary Young2-8 | KO/TKO | Submission to Punches | R1 | — | RS | May 19, 2006 |
| W | Billy Stamp13-9-1 | Decision | — | R3 | 5:00 | MT 7 | Apr 29, 2006 |
| W | Nick Boulware1-6 | Submission | Punches | R0 | — | MT 3 | May 21, 2005 |
| W | Jay Ellis17-112 | Submission | — | R2 | 0:00 | FCC 19 | May 14, 2005 |
| L | Wald Bloise5-2 | KO/TKO | Elbow Injury | R1 | 1:40 | AFC 9 | Jul 31, 2004 |
| W | Joel Blanton9-11 | KO/TKO | Punches | R1 | 3:32 | FCC 15 | Jun 12, 2004 |
| D | Chris Malik | Draw | — | R2 | 5:00 | FCC 14 | Mar 6, 2004 |
| W | Joe Chacon4-5 | KO/TKO | Punches | R1 | 4:58 | FCC 13 | Jan 10, 2004 |
| L | Jason Ireland19-9-1 | Submission | Guillotine Choke | R1 | 0:52 | FCC 12 | Oct 18, 2003 |
| L | Melvin Guillard33-24-2 | KO/TKO | Punches | R2 | — | ISCF | Aug 2, 2003 |
| L | Jorge Santiago25-12 | Submission | Triangle Choke | R1 | 4:11 | AFC 4 | Jul 19, 2003 |
| W | Dave Goddard | KO/TKO | Submission to Punches | R1 | — | FCC 11 | Jun 28, 2003 |
| W | Nuri Shakir21-22 | Submission | Triangle Choke | R1 | 2:45 | HOOKnSHOOT | May 24, 2003 |
| W | Doug Murray | KO/TKO | Punches | R1 | — | FCC 10 | Mar 22, 2003 |
| W | Richie Montgomery | Submission | Slam | R0 | — | FCC 9 | Jan 11, 2003 |
| L | Gideon Ray17-15-1 | KO/TKO | Cut | R1 | 2:20 | IHC 5 | Oct 26, 2002 |
| W | Daniel Camarillo | Decision | Split | R3 | 5:00 | WEC | Oct 18, 2002 |
| W | Jeremy Brown2-4 | Submission | Rear-Naked Choke | R1 | 1:40 | CR 4 | Aug 17, 2002 |
| W | Dion Dicello | Submission | Triangle Choke | R1 | 2:00 | FCC 7 | Mar 23, 2002 |
| L | Gabe Lemley13-9 | Submission | Armbar | R2 | 0:45 | EC 40 | Jun 16, 2001 |
| L | Submission | Heel Hook | R1 | 5:51 | FCC 4 | Mar 31, 2001 | |
| W | Brian Geraghty26-18-1 | Submission | Headlock | R1 | 2:01 | FCC 2 | Nov 15, 2000 |
| L | Submission | Guillotine Choke | R1 | 0:00 | EB 4 | Jul 15, 2000 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.