Marcin Prachnio
4-7-0
Career record (W-L-D)
Physical stats
Height6' 3" (190 cm)
Weight205 lbs. (93 kg)
Reach73" (185 cm)
StanceOrthodox
BornJul 14, 1988
Age38
DivisionLight Heavyweight
BirthplaceWarsaw, Poland
TeamTatsujin Dojo (2013–present)
Striking & grappling
SLpM5.52
Str. Acc54%
SApM3.15
Str. Def54%
TD Avg0.14
TD Acc20%
TD Def-
Sub Avg0.0
Recent form
L L W L W
Last 5 fights, most recent first
Career timeline
11 fights, oldest to newest — ■ win ■ loss ■ draw/no contest. Hover for details.
Career breakdown
Based on recorded UFC bouts — early regional fights may not be included.
Wins by method
1 KO/TKO wins · 0 sub wins · 3 decision wins
Losses by method
3 KO/TKO losses · 3 sub losses · 1 decision losses
Finish rate25%
Times finished86%
StreakL2
Best streak2
Avg fight9:46
Octagon time1h 47m
Opp win%71%
ActiveFeb. 24, 2018 – Jul. 19, 2025 (8y)
Strength of schedule
Ranked opponents faced3
Ranked wins1
Based on current UFC rankings — a snapshot, not the ranking at fight time.
Bonus awards
Performance of the Night1
Total bonuses1
Post-fight bonuses from UFC event records.
Career story
Marcin Prachnio is a 17-9-0 decision specialist. Most wins by decision.
Marcin debuted Feb. 24, 2018 vs Sam Alvey (loss). On a 2-fight losing skid. 8 years active (Feb. 24, 2018–Jul. 19, 2025).
Best wins: Khalil Rountree Jr. (U-DEC R3, Jan. 23, 2021); William Knight (U-DEC R3, Feb. 18, 2023); Devin Clark (U-DEC R3, Feb. 10, 2024).
Marcin Prachnio (born July 14, 1988) is a Polish mixed martial artist currently competing in the Light Heavyweight division. A professional mixed martial artist since 2013, Prachnio has competed in the Ultimate Fighting Championship, ONE Championship and Final Fight Championship.
Similar fighters

9-4-0
Decision grinder

22-10-1
Heavy hands — most wins by KO

6-3-0
Similar record & style

7-3-0
Decision grinder
Fight history
| Date | Event | Result | Method | R | Time | KD | Str | TD | Sub |
|---|
| Jul. 19, 2025 | UFC 318: Holloway vs. Poirier 3 | L Jimmy Crute | SUB Armbar | 1 | 4:42 | 0 0 | 21 5 | 0 3 | 0 2 |
| Jul. 27, 2024 | UFC 304: Edwards vs. Muhammad 2 | L Modestas Bukauskas | SUB Arm Triangle | 3 | 3:12 | 0 0 | 70 38 | 0 2 | 0 1 |
| Feb. 10, 2024 | UFC Fight Night: Hermansson vs. Pyfer | W Devin Clark | U-DEC | 3 | 5:00 | 0 0 | 101 53 | 1 0 | 0 0 |
| Jul. 08, 2023 | UFC 290: Volkanovski vs. Rodriguez | L Vitor Petrino | SUB Arm Triangle | 3 | 3:42 | 0 0 | 55 44 | 0 4 | 0 2 |
| Feb. 18, 2023 | UFC Fight Night: Andrade vs. Blanchfield | W William Knight | U-DEC | 3 | 5:00 | 0 0 | 79 8 | 0 0 | 0 0 |
| Apr. 23, 2022 | UFC Fight Night: Lemos vs. Andrade | L Philipe Lins | U-DEC | 3 | 5:00 | 0 0 | 74 64 | 0 4 | 0 0 |
| Jun. 26, 2021 | UFC Fight Night: Gane vs. Volkov | W Ike Villanueva | KO/TKO Kick | 2 | 0:56 | 1 0 | 59 34 | 0 1 | 0 0 |
| Jan. 23, 2021 | UFC 257: Poirier vs. McGregor | W Khalil Rountree Jr. | U-DEC | 3 | 5:00 | 0 0 | 102 49 | 0 0 | 0 0 |
| Aug. 22, 2020 | UFC Fight Night: Munhoz vs. Edgar | L Mike Rodriguez | KO/TKO Elbow | 1 | 2:17 | 0 1 | 14 21 | 0 0 | 0 0 |
| Sep. 15, 2018 | UFC Fight Night: Hunt vs. Oleinik | L Magomed Ankalaev | KO/TKO Kick | 1 | 3:09 | 0 1 | 3 12 | 0 0 | 0 0 |
| Feb. 24, 2018 | UFC Fight Night: Emmett vs. Stephens | L Sam Alvey | KO/TKO Punch | 1 | 4:23 | 0 2 | 15 10 | 0 1 | 0 0 |
Fight data compiled from public statistical sources (ufcstats.com) and Wikipedia (CC BY-SA). OctagonStats is an independent database, not affiliated with UFC / TKO Group.