Greg Mayer
UFC Debut
Record
Streak
L1
- Fighting out of
- Warren, Michigan
- Born
- United States
- Weight class
- Lightweight
- Height
- 5'8" · 173 cm
Before the UFC
Greg Mayer 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
40-20-1
.667 win rate
Winning-record opponents
3 of 3
carried winning pro records
Pro bouts faced
3
all opponents have 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 3 bouts · 1 promotion · wins by 1 KO · 1 subKOTC
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Charlie Valencia12-7 | Submission | Heel Hook | R2 | 1:43 | KOTC | Sep 5, 2003 |
| W | Submission | Rear-Naked Choke | R1 | 0:38 | KOTC | Jun 29, 2003 | |
| W | Bao Quach19-10-1 | KO/TKO | Punches | R1 | 0:17 | KOTC | Apr 29, 2001 |
Non-UFC bouts (regional/other promotions) and Dana White’s Contender Series — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.