Francisco Santos Mir III (; born May 24, 1979), is an American mixed martial artist who most recently competed for Bellator MMA in the Heavyweight division. He formerly competed in the Ultimate Fighting Championship (UFC) for sixteen years. A former two-time UFC Heavyweight Champion, he holds the record for the most finishes and the most submission victories in UFC Heavyweight history. Mir possessed the longest uninterrupted tenure of any fighter in UFC history, competing for the company from 2001 to 2016. He was the first man to knock out and the first to submit Antônio Rodrigo Nogueira. Background Born and raised in Las Vegas, Nevada, Mir began training and competing in American Kenpo at a school owned by his parents, earning his black belt as a teenager. Mir's father played a major role in convincing him to begin wrestling on the basis that it could help him avoid submissions. Mir joined the wrestling team at Bonanza High School during his junior year and lost his first nine matches. During his senior year (1998) he went 44–1 and won the state championship. Mir played fullback and defensive end on the school's football team, which reached the Southern Zone semifinals in 1997. He also competed in track and field; his discus throw of is still a Sunset Regional record. Career Mir met UFC matchmaker Joe Silva at a Brazilian jiu-jitsu (BJJ) school. Silva saw potential in Mir and suggested that he compete in mixed martial arts. Mir made his professional debut against Jerome Smith at HOOKnSHOOT: Showdown on July 14, 2001. Mir won the bout by unanimous decision after two rounds. He won his second fight by triangle choke in the first round, against Dan Quinn at IFC Warriors Challenge 15 on August 31, 2001. Ultimate Fighting Championship On November 2, 2001, at UFC 34: High Voltage, Mir made his UFC debut against 6th degree BJJ black belt Roberto Traven. Traven had previously competed in the UFC (at UFC 11) and was the 1999 ADCC Submission Wrestling World Championship open class champion. Mir defeated Traven by armbar at 1:05 of round one, earning "Tapout of the Night" in the process. Mir's next UFC match was against Lion's Den fighter and eight-time UFC veteran Pete Williams at UFC 36: Worlds Collide on March 22, 2002. Mir submitted Williams in 46 seconds with an inside shoulder lock that has since been named after himself.