Nickolas Robert Diaz (born August 2, 1983) is an American professional mixed martial artist who competes in the middleweight division of the Ultimate Fighting Championship (UFC). Diaz is a former Strikeforce, WEC and IFC welterweight champion and a UFC title challenger. He also notably competed in PRIDE, EliteXC, DREAM, and Shooto. Nick is the older brother of former UFC fighter Nate Diaz, with the pair of brothers being one of the biggest influences in the sport of MMA. Diaz was born and raised in Stockton, California. He is of Mexican and Anglo heritage. Nick has a younger brother, Nate and a younger sister Nina who were mostly raised by their mother Melissa as their father was not around much. Diaz began training in karate and aikido from a young age and also participated in wrestling tournaments during his teenage years. Diaz attended Tokay High School in Lodi, California, for a year before dropping out. While a freshman, he was a member of the swim team. He started training in sambo at the age of 16 under Bulgarian National Sambo Champion Valeri Ignatov. Around the same time, after seeing Renzo Gracie in the Pride Fighting Championships, he started training mixed martial arts under Steve Heath at the Animal House gym before joining Cesar Gracie's team. He was promoted to black belt in Brazilian jiu-jitsu by Cesar Gracie on May 8, 2007. More information...
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