Anderson da Silva (; born 14 April 1975) is a Brazilian-American mixed martial artist and boxer. He is a former UFC Middleweight Champion and holds the record for the longest title reign in UFC history at 2,457 days. This started in 2006 and ended in 2013 and included a UFC record 16 consecutive victories in that span. UFC president Dana White, UFC commentator Joe Rogan and numerous mixed martial arts (MMA) pundits have named Silva as one of the greatest mixed martial artists of all time. Silva left the UFC in November 2020 and returned to boxing. Background Silva was born on 14 April 1975, in São Paulo, Brazil. The son of a poverty-stricken family, he spent the majority of his childhood in Curitiba with his aunt and uncle, who was an officer with the Curitiba police force. Silva's first foray in martial arts began as a child training jiu-jitsu with neighborhood kids. As a teen, Silva began training in taekwondo, capoeira and muay thai. Mixed martial arts career Early career (19972002) Silva initially fought in Brazil in the welterweight category. Silva made his professional debut in 1997 with a pair of wins. Silva recorded his first loss in 2000 to Luiz Azeredo by decision. After that fight, he went on a nine-fight winning streak, winning six of those fights by either submission or TKO. After winning his first match in Japan, he was put up against Shooto champion Hayato Sakurai on 26 August 2001. Silva beat Sakurai by unanimous decision after three rounds and became the new Shooto Middleweight Champion (at 167 lb) and the first man to defeat Sakurai, who was undefeated in his first 20 fights. Pride Fighting Championships and Cage Rage (20022006) In 2002, Silva was scheduled to fight then-current UFC Welterweight Champion, and future UFC Hall of Famer Matt Hughes at UFC 36. However, Silva instead signed a contract and began fighting for PRIDE Fighting Championships. In his first fight with the promotion, he stopped Alex Stiebling with a cut resulting from a high kick. In his next match, he won via decision against the "Diet Butcher" Alexander Otsuka. At Pride 25, Silva faced former UFC welterweight champion Carlos Newton. Newton tried to shoot in on Silva, but was hit with a flying knee. Newton collapsed and Silva finished the fight with strikes, winning by technical knockout. At Pride 26, Silva faced Daiju Takase. Takase,