Don Carlo-Clauss
UFC Debut
Record
Streak
W1
- Fighting out of
- Rochester
- Born
- United States
- Weight class
- Welterweight
- Height
- 5'7" · 170 cm
Before the UFC
Don Carlo-Clauss 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
145-122-1
.543 win rate
Winning-record opponents
9 of 15
carried winning pro records
Pro bouts faced
17
15 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 17 bouts · 16 promotions · wins by 3 KO · 6 decEFI · GF 1 · CES MMA 12 · BFC · CZ 40 +11
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Eddie Fyvie9-7 | Decision | Unanimous | R3 | 5:00 | GF 1 | Sep 22, 2012 |
| L | Mike Campbell13-4 | Decision | Unanimous | R3 | 5:00 | CES MMA 12 | Aug 3, 2012 |
| W | Jacob Kirwan9-5 | Decision | Split | R3 | 5:00 | BFC | May 11, 2012 |
| W | John Ortolani11-15 | KO/TKO | Punches | R2 | 2:53 | CZ 40 | Jan 27, 2012 |
| L | Chris Liguori15-10 | Decision | Split | R3 | 5:00 | CFFC 12 | Dec 10, 2011 |
| L | Sam Oropeza13-3 | KO/TKO | Submission to Punches | R1 | 4:10 | Strikeforce | Feb 12, 2011 |
| L | John Benoit11-3 | Submission | Guillotine Choke | R3 | 3:02 | CZ 35 | Oct 22, 2010 |
| W | Joshua Thorpe13-18 | Decision | Split | R3 | 5:00 | RW 7 | May 8, 2010 |
| W | Calvin Kattar23-10 | Decision | Split | R3 | 5:00 | XCFL | Feb 6, 2010 |
| L | Thomas Moreau6-3 | Decision | Majority | R2 | 5:00 | WCF | Jun 27, 2009 |
| W | Peter Kaljevic1-10 | KO/TKO | Punches | R2 | 1:30 | Knockout Promotions | May 23, 2009 |
| W | Andrew Montanez9-12-1 | Decision | Unanimous | R3 | 3:00 | RW 2 | Jan 24, 2009 |
| L | Matthew Brent Kinberger | Submission | Armbar | R1 | 2:32 | FFP | Dec 6, 2008 |
| W | Chris Cape5-4 | Decision | Unanimous | R2 | 5:00 | No Boundary | Oct 11, 2008 |
| W | Eddie Brito | KO/TKO | Knees to the Body | R1 | 3:43 | CZ 26 | Sep 26, 2008 |
| W | Billy Walsh1-8 | N/A | — | R0 | — | EFI | Aug 25, 2008 |
| L | Travis Lerchen6-10 | DQ | — | R2 | 0:00 | EFI | Jun 16, 2007 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.