William Rentz
UFC Debut
Record
Streak
W5
Age
Date of birth
- Fighting out of
- Tampa, Florida
- Born
- United States
- Weight class
- Welterweight
- Height
- 6'0" · 183 cm
Before the UFC
William Rentz 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
DevelopmentalOpponents' combined record
43-61-1
.413 win rate
Winning-record opponents
3 of 8
carried winning pro records
Pro bouts faced
10
8 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.
Dana White's Contender Series
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| ◆ | — | — | — | — | 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 10 bouts · 9 promotions · wins by 8 KOCN · Combat Quest 7 Pro · CFFC 141 · CFFC 133 · CFFC 126 +4
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Nick McCarty7-3-1 | KO/TKO | Punches | R1 | 0:22 | CN | Jun 20, 2026 |
| W | Wesley Golden11-29 | KO/TKO | Punches | R1 | 1:09 | CN | May 2, 2026 |
| W | Tyler Smith1-8 | KO/TKO | Punches | R1 | 2:16 | Combat Quest 7 Pro | Jan 31, 2026 |
| W | Shane Mistretta | KO/TKO | Elbows and Punches | R2 | 4:30 | CFFC 141 | Apr 19, 2025 |
| W | Gabriel Morales4-5 | KO/TKO | Punches | R2 | 3:51 | CFFC 133 | Jul 26, 2024 |
| L | KO/TKO | Punches | R1 | 4:42 | CFFC 126 | Oct 13, 2023 | |
| W | Feraris Golden Jr.3-6 | KO/TKO | Punches | R1 | 3:49 | CFFC 122 | Jul 20, 2023 |
| W | Tyler Keating | KO/TKO | Elbows | R1 | 2:35 | CFFC 119 | Apr 20, 2023 |
| L | Frank Wells6-5 | Decision | Unanimous | R3 | 5:00 | CFFC 104 | Dec 17, 2021 |
| W | Quintin Bray4-4 | KO/TKO | Punches | R2 | 2:48 | CFFC 100 | Sep 16, 2021 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.
Amateur
4-0across 4 amateur bouts · 4 promotionsCombat Quest 11 · Combat Quest 8 · RFL 18 · UCF 17
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Jummah Muhamed1-0 | Decision | — | R3 | 3:00 | Combat Quest 11 | Feb 5, 2021 |
| W | Alex McKinney | KO/TKO | — | R0 | 0:00 | Combat Quest 8 | Jul 11, 2020 |
| W | Kyle Tarlton | KO/TKO | — | R2 | 1:11 | RFL 18 | Jun 29, 2019 |
| W | Tyler Thomas | KO/TKO | — | R1 | 0:29 | UCF 17 | May 4, 2019 |
Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.