Jonathan Piersma
UFC DebutNickname“War Hawk”
Record
Streak
W6
Age
Date of birth
- Fighting out of
- Rochester, New York
- Born
- United States
- Camp
- Synthesis BJJ
- Weight class
- Middleweight
- Height
- 5'11" · 180 cm
Before the UFC
Jonathan Piersma 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
103-55
.652 win rate
Winning-record opponents
8 of 14
carried winning pro records
Pro bouts faced
15
14 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 15 bouts · 11 promotions · wins by 4 KO · 7 sub · 1 decLFA · Cage Titans FC · Combat FC 10 · Combat FC 3 · NEF 50 +6
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Diego Bianchini10-3 | KO/TKO | Punches | R3 | 1:05 | LFA | May 22, 2026 |
| W | Submission | Rear-Naked Choke | R3 | 1:22 | LFA | Nov 21, 2025 | |
| W | Chris Perreault4-1 | Submission | Rear-Naked Choke | R1 | 1:15 | Combat FC 10 | Jun 13, 2025 |
| W | Jack Congdon7-2 | Submission | Rear-Naked Choke | R3 | 3:46 | Cage Titans FC | May 25, 2024 |
| W | Everet Desilets | KO/TKO | Submission to Punches | R3 | 3:40 | Cage Titans FC | Mar 30, 2024 |
| W | Aaron Trecell6-7 | KO/TKO | Punches | R1 | 2:56 | Cage Titans FC | Jan 27, 2024 |
| L | Devin Smyth12-5 | KO/TKO | Spinning Wheel Kick | R1 | 0:51 | LFA | Sep 15, 2023 |
| W | KO/TKO | Punches | R2 | 2:19 | Combat FC 3 | Feb 10, 2023 | |
| W | Ryan Sanders23-12 | Decision | Unanimous | R5 | 5:00 | NEF 50 | Nov 12, 2022 |
| W | Terry Welch3-6 | Submission | Guillotine Choke | R1 | 1:26 | CFFC 111 | Jul 29, 2022 |
| L | Charles Radtke12-5 | Decision | Split | R3 | 5:00 | CFFC 106 | Mar 17, 2022 |
| NC | Kris Vereen9-2 | No Contest | Overturned | R1 | 0:31 | CFFC 101 | Oct 2, 2021 |
| W | Paul Sims4-4 | Submission | Rear-Naked Choke | R2 | 1:27 | Maverick MMA 16 | Jun 26, 2021 |
| W | Thomas Majeski3-3 | Submission | Omoplata | R2 | 0:49 | CFFC 94 | Apr 1, 2021 |
| W | Tyler Bunting1-1 | Submission | Guillotine Choke | R1 | 1:36 | CFFC 91 | Dec 18, 2020 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.
Amateur
5-0-1across 6 amateur bouts · 3 promotionsFull Contact Promotions · TF · GF 33
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| D | Ryan Gerena4-1 | Draw | Unanimous | R3 | 3:00 | TF | Oct 11, 2019 |
| W | Robert Protomani2-1 | Submission | Kneebar | R1 | 0:26 | Full Contact Promotions | Sep 7, 2019 |
| W | Joe Menehm0-1 | Decision | Unanimous | R3 | 3:00 | Full Contact Promotions | Jan 5, 2019 |
| W | Submission | Armbar | R2 | 0:59 | GF 33 | Sep 8, 2018 | |
| W | Matt McConnell0-2 | Submission | Guillotine Choke | R1 | 0:28 | Full Contact Promotions | Apr 28, 2018 |
| W | Ronnie Bailey | Submission | North-South Choke | R1 | 1:57 | Full Contact Promotions | Feb 3, 2018 |
Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.