Jairzinho Rozenstruik
“Bigi Boy”
9-6-0
Career record (W-L-D)
Physical stats
Height6' 2" (188 cm)
Weight242 lbs. (110 kg)
Reach78" (198 cm)
StanceOrthodox
BornMar 17, 1988
Age38
DivisionHeavyweight
BirthplaceParamaribo, Suriname
TeamTeam Bigi Boy American Top Team
Striking & grappling
SLpM3.48
Str. Acc48%
SApM2.63
Str. Def52%
TD Avg0.00
TD Acc0%
TD Def-
Sub Avg0.0
Recent form
L W W L W
Last 5 fights, most recent first
Career timeline
15 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
8 KO/TKO wins · 0 sub wins · 1 decision wins
Losses by method
2 KO/TKO losses · 1 sub losses · 3 decision losses
Finish rate89%
Times finished50%
StreakL1
Best streak4
Avg fight9:27
Octagon time2h 21m
Opp win%75%
ActiveFeb. 02, 2019 – Feb. 01, 2025 (7y)
Strength of schedule
Ranked opponents faced4
Ranked wins0
Best ranked win-
Based on current UFC rankings — a snapshot, not the ranking at fight time.
Bonus awards
Performance of the Night4
Total bonuses4
Post-fight bonuses from UFC event records.
Career story
Jairzinho Rozenstruik "Bigi Boy" is a 15-6-0 knockout artist. 88% finish rate.
Jairzinho debuted Feb. 02, 2019 vs Junior Albini (win). Longest win streak: 4. 7 years active (Feb. 02, 2019–Feb. 01, 2025).
Best wins: Alistair Overeem (KO/TKO Punch R5, Dec. 07, 2019); Junior Dos Santos (KO/TKO Punch R2, Aug. 15, 2020); Shamil Gaziev (KO/TKO R4, Mar. 02, 2024).
Jairzinho R. Rozenstruik (born 17 March 1988) is a Surinamese professional mixed martial artist and former kickboxer. He is the current Dirty Boxing Heavyweight Champion. He formerly competed in the Heavyweight division of the Ultimate Fighting Championship (UFC). Rozenstruik currently holds the record for second fastest knockout in the heavyweight division against Allen Crowder at UFC Fight Night 154. In kickboxing, he is a former WLF Super Heavyweight Tournament Champion and a Superkombat World Grand Prix I 2013 Runner-Up.
Similar fighters
23-10-0
Heavy hands — most wins by KO
15-11-0
Heavy hands — most wins by KO
12-5-0
Heavy hands — most wins by KO
6-3-0
Heavy hands — most wins by KO
Fight history
| Date | Event | Result | Method | R | Time | KD | Str | TD | Sub |
|---|
| Feb. 01, 2025 | UFC Fight Night: Adesanya vs. Imavov | L Sergei Pavlovich | U-DEC | 3 | 5:00 | 0 0 | 17 25 | 0 2 | 0 0 |
| Aug. 17, 2024 | UFC 305: Du Plessis vs. Adesanya | W Tai Tuivasa | S-DEC | 3 | 5:00 | 0 0 | 91 37 | 0 0 | 0 0 |
| Mar. 02, 2024 | UFC Fight Night: Rozenstruik vs. Gaziev | W Shamil Gaziev | KO/TKO | 4 | 5:00 | 0 0 | 127 22 | 0 1 | 0 0 |
| May. 13, 2023 | UFC Fight Night: Rozenstruik vs. Almeida | L Jailton Almeida | SUB Rear Naked Choke | 1 | 3:43 | 0 0 | 0 4 | 0 1 | 0 1 |
| Dec. 10, 2022 | UFC 282: Blachowicz vs. Ankalaev | W Chris Daukaus | KO/TKO Punch | 1 | 0:23 | 1 0 | 12 1 | 0 0 | 0 0 |
| Jun. 04, 2022 | UFC Fight Night: Volkov vs. Rozenstruik | L Alexander Volkov | KO/TKO Punches | 1 | 2:12 | 0 0 | 6 21 | 0 0 | 0 0 |
| Sep. 25, 2021 | UFC 266: Volkanovski vs. Ortega | L Curtis Blaydes | U-DEC | 3 | 5:00 | 0 0 | 18 32 | 0 3 | 0 0 |
| Jun. 05, 2021 | UFC Fight Night: Rozenstruik vs. Sakai | W Augusto Sakai | KO/TKO Punches | 1 | 4:59 | 1 0 | 16 3 | 0 0 | 0 0 |
| Feb. 27, 2021 | UFC Fight Night: Rozenstruik vs. Gane | L Ciryl Gane | U-DEC | 5 | 5:00 | 0 0 | 42 102 | 0 2 | 0 0 |
| Aug. 15, 2020 | UFC 252: Miocic vs. Cormier 3 | W Junior Dos Santos | KO/TKO Punch | 2 | 3:47 | 1 0 | 42 24 | 0 0 | 0 0 |
| May. 09, 2020 | UFC 249: Ferguson vs. Gaethje | L Francis Ngannou | KO/TKO Punch | 1 | 0:20 | 0 1 | 5 6 | 0 0 | 0 0 |
| Dec. 07, 2019 | UFC Fight Night: Overeem vs. Rozenstruik | W Alistair Overeem | KO/TKO Punch | 5 | 4:56 | 1 0 | 89 74 | 0 2 | 0 0 |
| Nov. 02, 2019 | UFC 244: Masvidal vs. Diaz | W Andrei Arlovski | KO/TKO Punch | 1 | 0:29 | 1 0 | 5 4 | 0 0 | 0 0 |
| Jun. 22, 2019 | UFC Fight Night: Moicano vs. The Korean Zombie | W Allen Crowder | KO/TKO Punches | 1 | 0:09 | 1 0 | 4 0 | 0 0 | 0 0 |
| Feb. 02, 2019 | UFC Fight Night: Assuncao vs. Moraes 2 | W Junior Albini | KO/TKO Kick | 2 | 0:54 | 1 0 | 19 18 | 0 2 | 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.