Jairzinho Rozenstruik is called 'Bigi Boy' in and around the UFC. He is the No.9 ranked contender in the heavyweight division of the Ultimate Fighting Championship.
'Bigi Boy' is set to make his next outing against Jailton Almeida at UFC Fight Night: Rozenstruik vs. Almedia on May 13, 2023. The venue for the event is the Spectrum Center in Charlotte, North Carolina, United States. It is going to be his eleventh fight for the promotion.
How did Biggie Boy get his name?
Jairzinho Rozenstruik got his nickname at 9 or 11 when his friends found it difficult to pronounce his real name. And later on, Rozenstruik helped those who couldn't pronounce his name by suggesting 'Bigi Boy.'
In a more profound aspect, the heavyweight UFC contender has looked big since childhood, making him known as the 'Bigi Boy' ( big boy).
Jairzinho Rozenstruik last fight
Jairzinho Rozentruik, for his last fight, faced Chris Daukaus and KO'd him at 0:23 in the first round. The fight took place at UFC 282 on December 10, 2022, and 'Bigi Boy' earned a 'Performance of the Night bonus.
Jairzinho Rozenstruik Record
| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Win | 13–4 | Chris Daukaus | KO (punch) | UFC 282 | December 10, 2022 | 1 | 0:23 | Las Vegas, Nevada, United States | Performance of the Night. |
| Loss | 12–4 | Alexander Volkov | TKO (punches) | UFC Fight Night: Volkov vs. Rozenstruik | June 4, 2022 | 1 | 2:12 | Las Vegas, Nevada, United States | |
| Loss | 12–3 | Curtis Blaydes | Decision (unanimous) | UFC 266 | September 25, 2021 | 3 | 5:00 | Las Vegas, Nevada, United States | |
| Win | 12–2 | Augusto Sakai | TKO (punches) | UFC Fight Night: Rozenstruik vs. Sakai | June 5, 2021 | 1 | 4:59 | Las Vegas, Nevada, United States | Performance of the Night. |
| Loss | 11–2 | Ciryl Gane | Decision (unanimous) | UFC Fight Night: Rozenstruik vs. Gane | February 27, 2021 | 5 | 5:00 | Las Vegas, Nevada, United States | |
| Win | 11–1 | Junior dos Santos | TKO (punches) | UFC 252 | 15 Aug 2020 | 2 | 3:47 | Las Vegas, Nevada, United States | |
| Loss | 10–1 | Francis Ngannou | KO (punches) | UFC 249 | 9 May 2020 | 1 | 0:20 | Jacksonville, Florida, United States | |
| Win | 10–0 | Alistair Overeem | KO (punch) | UFC on ESPN: Overeem vs. Rozenstruik | 7 Dec 2019 | 5 | 4:56 | Washington, D.C., United States | |
| Win | 9–0 | Andrei Arlovski | KO (punch) | UFC 244 | 2 November 2019 | 1 | 0:29 | New York City, New York, United States | |
| Win | 8–0 | Allen Crowder | KO (punches) | UFC Fight Night: Moicano vs. The Korean Zombie | 22 Jun 2019 | 1 | 0:09 | Greenville, South Carolina, United States | Performance of the Night. |
| Win | 7–0 | Júnior Albini | TKO (head kick and punches) | UFC Fight Night: Assunção vs. Moraes 2 | 2 Feb 2019 | 2 | 0:54 | Fortaleza, Brazil | |
| Win | 6–0 | Robert McCarthy | KO (punches) | Team Yvel: Fearless 3 | 27 Dec 2018 | 1 | 0:10 | Paramaribo, Suriname | |
| Win | 5–0 | Andrey Kovalev | Decision (split) | Rizin 10 | 6 May 2018 | 3 | 5:00 | Fukuoka, Japan | |
| Win | 4–0 | Marvin Aboeli | TKO (punches) | Fighting with the Stars: Bloed, Zweet & Tranen 3 | 22 Dec 2017 | 1 | N/A | Paramaribo, Suriname | |
| Win | 3–0 | Engelbert Berbin | KO (punches) | AIF 1 | 28 April 2017 | 1 | N/A | Oranjestad, Aruba | |
| Win | 2–0 | Evgeni Boldyrev | KO (punch) | Draka 11 | 24 Nov 2012 | 1 | 2:05 | Khabarovsk Krai, Russia | |
| Win | 1–0 | Evgeni Boldyrev | KO (punch) | Draka 7 | 26 May 2012 | 1 | 2:36 | Vladivostok, Russia | Heavyweight debut. |
*Last updated on May 11, 2023.
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