Jairzinho"Bigi Boy" Rozenstruik is the current #9 ranked UFC Heavyweight Fighter with a professional MMA record of 13 wins and 4 losses. Rozenstruik is a former WLF Super Heavyweight Tournament Champion.
Jairzinho Rozenstruik is set to fight Jailton Almedida at UFC Fight Night: Rozenstruik vs. Almeida on May 13, 2023.
Jairzinho Rozenstruik started his combat sports journey at age 17 when he started training in kickboxing. Rozenstruik made his kickboxing debut in 2009, amassed a record of 76-9 and won the Zweet en Tranen World Championship, WLF Super Heavyweight Champion, WLF Super Heavyweight tournament Champion, and a 3-time SLAMM!! Heavyweight Champion.
Rozenstruik transitioned to MMA in the early 2010s and made his debut in 2012 at Draka 7 against Evgeny Boldyrev. He won the fight via a first-round KO(punch) and amassed a record of 6-0, with 5 of his wins coming via TKO/KOs before joining the UFC in 2019.
Rozenstruick joined the UFC in 2019 and made his debut at UFC Fight Night: Assuncao vs. Moraes 2 against Allen Crowder. Jairzinho knocked out Crowder in 9 seconds to gain the record for the 2nd fastest knockout in UFC history.
Rozenstruick next fought UFC veteran Andrei Arlovski at UFC 244. He dominated Arlovski and knocked him out in 29 seconds. Following this, Rozenstruik fought in his first main-event fight at UFC on ESPN 7: Overeem vs. Rozenstruik. Rozenstruick won the back-and-forth fight in the last seconds of the 5th round via punch to head at Distance.
Jairzinho next fought Francis Ngannou at UFC 249 and got knocked out in 20 seconds via punches to lose for the first time in his MMA career. He bounced back from the defeat by TKO'ing Junior dos Santos at UFC 252.
The momentum would again shift south for Jairzinho as he has gone 1-2 in the UFC following the dos Santos victory. Rozenstruik lost to Ciryl Gane, won against Augusto Sakai, and lost against Curtis Blaydes at UFC 266.
Jairzinho Rozenstruik fought Curtis Blaydes at UFC 266. Rozenstruik got outclassed in the bout as Blaydes connected with 113 strikes compared to Rozenstruick who, attempted 99 strikes in the entire fight and only managed to land 46.
Jairzinho's weak wrestling was on full display in the fight as Blaydes took him down 3-times and managed to have a ground control time of over 6 minutes.
In the end, Curtis won the fight via a unanimous decision.
*Last updated on May 11, 2023.
