MMA RECORD : 5 - 0 - 0
KICKOXING RECORD : 62 - 6 - 2 (52 KO)
NICKNAME : Bigi Boy
HEIGHT : 6'2'' / 188 cm
WEIGHT : 248 LBS / 112 KG
DIVISION : Heavyweight
HOMETOWN : Paramaribo, Suriname
ASSOCIATION : Hemmers Gym Amsterdam/Fighting Titans
Jairzinho "Bigi Boy" Rozenstruik (born March 17, 1988) is a professional Dutch Heavyweight Kick boxer and Mixed Martial Artist, fighting out of Hemmers Gym Amsterdam.
He was born in Paramaribo, Suriname. Currently is living between Paramaribo and Amsterdam and training at Hemmers Gym Amsterdam and Fighting Titans.
He started with kickboxing at the age of 19, under Michael Babb at Vos Gym. Currently he is fighting out of Hemmers Gym Amsterdam
In 2007 Jair started training kickboxing and 4 months later he fought his first Kickboxing professional and since May 2012 he is a professional MMA competitor.
In April 2018, Jairzniho signe a mulit fight contract with the RIZIN to fight in their heavyweight division.
In May 2018, "Bigi Boy" earned by split decision in his promotional debut at RIZIN.10