
Marcin Prachnio
Marcin Prachnio is a Heavyweight from Poland with an official record of 17-9. Cage Brothers holds 20 of those bouts: 13 wins and 7 losses, the wins coming 8 by knockout and 5 by decision. The most recent bout on file is a first-round submission loss to Jimmy Crute at UFC 318: Holloway vs. Poirier 3 on 19 July 2025, the second defeat in a row.
| Date | Opponent | Result | Method | Round | Event |
|---|---|---|---|---|---|
| Jul 19, 2025 | Jimmy Crute | LOSS | SUBArmbar | R1 · 4:42 | UFC 318: Holloway vs. Poirier 3 |
| Jul 27, 2024 | Modestas Bukauskas | LOSS | SUBArm Triangle | R3 · 3:12 | UFC 304: Edwards vs. Muhammad 2 |
| Feb 10, 2024 | Devin Clark | WIN | DECDecision | R3 · 5:00 | UFC Fight Night: Hermansson vs. Pyfer |
| Jul 8, 2023 | Vitor Petrino | LOSS | SUBArm Triangle | R3 · 3:42 | UFC 290: Volkanovski vs. Rodriguez |
| Feb 18, 2023 | William Knight | WIN | DECDecision | R3 · 5:00 | UFC Fight Night: Andrade vs. Blanchfield |
| Apr 23, 2022 | Philipe Lins | LOSS | DECDecision | R3 · 5:00 | UFC Fight Night: Lemos vs. Andrade |
| Jun 26, 2021 | Ike Villanueva | WIN | KOKick | R2 · 0:56 | UFC Fight Night: Gane vs. Volkov |
| Jan 24, 2021 | Khalil Rountree Jr. | WIN | DECDecision | R3 · 5:00 | UFC 257: Poirier vs. McGregor 2 |
| Aug 22, 2020 | Mike Rodriguez | LOSS | KOElbow | R1 · 2:17 | UFC Fight Night: Munhoz vs. Edgar |
| Sep 15, 2018 | Magomed Ankalaev | LOSS | KOKick | R1 · 3:09 | UFC Fight Night: Hunt vs. Oleinik |
| Feb 24, 2018 | Sam Alvey | LOSS | KOPunch | R1 · 4:23 | UFC Fight Night: Emmett vs. Stephens |
| Aug 5, 2017 | Gilberto Galvão | WIN | KOKO | R1 | ONE Championship 58: Kings and Conquerors |
| Aug 27, 2016 | Jake Butler | WIN | KOTKO (Knee) | R1 | ONE Championship 46: Titles and Titans |
| May 27, 2016 | Leandro Ataides | WIN | DECDecision - Split | R3 | ONE Championship 43: Kingdom of Champions |
| Feb 20, 2016 | Alexandre Machado | WIN | KOTKO | R1 | XK 31: Bonebreakers vs. A.D.A.M. |
| Nov 27, 2015 | Tomislav SpahovićTitle | WIN | KOTKO | R1 | FFC: Final Fight Championship 21 |
| Sep 18, 2015 | Matej Batinic | WIN | DECDecision - Unanimous | R3 · 5:00 | FFC: Final Fight Championship 19 |
| Jun 27, 2015 | Ryan Salamagnou | WIN | KOTKO | R1 · 0:21 | Hit-FC: Hit Fighting Championship |
| Oct 3, 2014 | Stjepan Bekavac | WIN | KOTKO | R1 · 0:35 | FFC: Final Fight Night Championship 14 |
| Jul 13, 2013 | Tomas Siaucila | WIN | KOKO | R1 · 1:11 | UWC 23: Ultimate Warrior Challenge |
Wins, losses and draws are Marcin Prachnio’s official record. Everything else is counted from the 20 bouts we hold a full result for — method, round and time. Per-fight striking and grappling statistics are not published in our data source, so they are not shown.
Marcin Prachnio’s record, in numbers
Marcin Prachnio’s official record is 17-9. Every figure on this page is counted instead from the 20 bouts Cage Brothers holds a result for — 13 wins, 7 losses — because 6 bouts from the official record are not in the history we hold.
The 13 wins break down as 8 by knockout and 5 by decision — 8 of 13 inside the distance, a finish rate of 62%. Across all 20 bouts with a recorded finishing round, the average bout lasted 6 minutes 43 seconds.
Marcin Prachnio has been stopped 6 times in the 20 bouts on file — 3 by knockout and 3 by submission — which is 30% of them. The last 2 bouts on file are both losses.
Of the 20 bouts Cage Brothers holds a result for, 1 was for a title. One of them has come since October 2024.
Set against the 485 Heavyweight fighters Cage Brothers holds eight or more bouts for, Marcin Prachnio has a finish rate above 25% of them, a record of avoiding stoppage above 26% of them and a two-year bout count above 69% of them. The comparison is made inside the division rather than across the whole roster, because how often a division finishes depends heavily on what it weighs.
Marcin Prachnio is listed at 6ft 3in with a reach of 73in, fights orthodox and is 38, born 13 July 1988.
These figures are recomputed from Marcin Prachnio’s bout history each time results are synced, so they follow the record rather than a fixed snapshot.


















