Karl Williams
Record
Streak
L5
Age
Date of birth
- Fighting out of
- St. Thomas
- Born
- U.S. Virgin Islands
- Camp
- Xtreme Couture
- Weight class
- Heavyweight
- Height
- 6'3" · 191 cm
- Reach
- 79" · 201 cm
- Stance
- Orthodox
- Last fight
- Aug 10, 2024
UFC fight history
ResultOpponentMethodDetailEvent
L

Heavyweight · Decision · Unanimous · R3 · 5:00
UFC Fight Night: Tybura vs. Spivac 2 · Aug 10, 2024
Decision
R3 · 5:00
Unanimous
W

Heavyweight · Decision · Unanimous · R3 · 5:00
UFC Fight Night: Ribas vs. Namajunas · Mar 23, 2024
Decision
R3 · 5:00
Unanimous
W

Heavyweight · Decision · Unanimous · R3 · 5:00
UFC Fight Night: Rozenstruik vs. Almeida · May 13, 2023
Decision
R3 · 5:00
Unanimous
W

Heavyweight · Decision · Unanimous · R3 · 5:00
UFC Fight Night: Yan vs. Dvalishvili · Mar 11, 2023
Decision
R3 · 5:00
Unanimous
Dana White's Contender Series
across 1 bout · wins by 1 dec
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Jimmy Lawson4-2 | Decision | 30–27, 30–27, 30–27 | R3 | 5:00 | Dana White's Contender Series |
Dana White’s Contender Series — a UFC-adjacent proving ground, shown as its own tier. Excluded from Schedule Score and UFC-scoped metrics.
Outside the UFC
across 11 bouts · 7 promotions · wins by 3 KO · 3 decPFL · XMMA 5 · iFC 3 · B2 Fighting Series 142 · SF 47 +2
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Decision | Unanimous | R3 | 5:00 | PFL | May 2, 2026 | |
| L | Submission | Arm-Triangle Choke | R2 | 3:41 | PFL | Feb 7, 2026 | |
| L | KO/TKO | Punches | R2 | 4:11 | PFL | Aug 21, 2025 | |
| L | Oleg Popov23-2 | Decision | Split | R3 | 5:00 | PFL | May 1, 2025 |
| W | Simon Marini8-9 | KO/TKO | Punches | R1 | 3:50 | XMMA 5 | Jul 23, 2022 |
| W | Kyle Wright3-4 | Decision | Unanimous | R3 | 5:00 | iFC 3 | Jun 3, 2022 |
| W | Miles Amos5-3 | Decision | Unanimous | R3 | 5:00 | PFL | Feb 18, 2022 |
| L | Jason Butcher15-6 | Submission | Triangle Choke | R1 | 1:38 | B2 Fighting Series 142 | Dec 4, 2021 |
| W | KO/TKO | Knee Injury | R1 | 2:50 | SF 47 | Oct 16, 2021 | |
| W | Peter New4-3 | Decision | Unanimous | R3 | 5:00 | NFC 137 | Sep 12, 2021 |
| W | KO/TKO | — | R1 | 4:00 | AFC 6 | Feb 20, 2021 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.
Amateur
5-1across 6 amateur bouts · 6 promotionsNFC 126 · NFC 124 · NFC 121 · NFC 120 · NFC 119 +1
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Decision | Split | R3 | 3:00 | NFC 126 | Aug 29, 2020 | |
| W | Darian Perry3-5 | Decision | Unanimous | R3 | 3:00 | NFC 124 | Mar 7, 2020 |
| W | Decision | Unanimous | R3 | 3:00 | NFC 121 | Oct 12, 2019 | |
| W | John Louis5-3 | Decision | Unanimous | R3 | 3:00 | NFC 120 | Aug 3, 2019 |
| L | Submission | Armbar | R1 | 2:28 | NFC 119 | Jun 29, 2019 | |
| W | Decision | Split | R3 | 3:00 | NFC 117 | Mar 8, 2019 |
Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.

