Jason Petropoulos
UFC DebutNickname“The Argonaut”
Record
Streak
L1
- Fighting out of
- Geelong, Victoria
- Born
- Australia
- Weight class
- Bantamweight
- Height
- 5'7" · 170 cm
Before the UFC
Jason Petropoulos 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
ModerateOpponents' combined record
38-32
.543 win rate
Winning-record opponents
4 of 7
carried winning pro records
Pro bouts faced
11
7 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 11 bouts · 9 promotions · wins by 1 KO · 4 subHFS · GSMMA · RMMA 1 · Eternal MMA 38 · Sledgehammer Promotions +4
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | KO/TKO | Foot Injury | R1 | 2:52 | HFS | May 30, 2026 | |
| W | Michael McDaniel2-11 | KO/TKO | — | R1 | 0:43 | GSMMA | Oct 19, 2024 |
| L | Jack Jenkins14-4 | KO/TKO | Leg Kick | R2 | 1:44 | RMMA 1 | Dec 5, 2021 |
| L | KO/TKO | Rib Injury | R2 | 5:00 | HFS | Dec 13, 2019 | |
| L | Mitch Martin8-0 | KO/TKO | Punches | R1 | 3:13 | Eternal MMA 38 | Oct 27, 2018 |
| W | Submission | Rear-Naked Choke | R1 | 1:26 | HFS | Mar 31, 2017 | |
| W | Ramen Habib0-4 | Submission | Heel Hook | R1 | 0:31 | Sledgehammer Promotions | Jan 28, 2017 |
| L | Joshua Riley | KO/TKO | Punches | R1 | 1:23 | AFC 15 | Mar 19, 2016 |
| L | Muhammad Abdou | Decision | Split | R3 | 5:00 | AFC 13 | Jun 14, 2015 |
| W | Justin Barbuto | Submission | Guillotine Choke | R1 | 0:51 | AFC 12 | Mar 22, 2015 |
| W | Junior Fabian Fa'atui | Submission | Armbar | R3 | — | Fighters Xpress Promotions | Jun 7, 2014 |
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.