Keita Nakamura
In submission grappling, Nakamura took part in both the 2009 and 2011 ADCC Submission Wrestling World Championship, making it to the second round and winning via points in both. Mixed martial arts career. Early career. Nakamura made his professional MMA debut in his native Japan in October 2003. Over nearly three years, he amassed a record of 15-0-2 with wins over Yoshiyuki Yoshida, Ronald Jhun, and Daisuke Nakamura. Ultimate Fighting Championship. Nakamura made his UFC debut in December 2006 against Brock Larson at UFC 81. He lost the fight via unanimous decision, ending his undefeated streak . For his second fight with the promotion, Nakamura faced Drew Fickett at in April 2007. He again lost the fight via unanimous decision. Nakamura lost by contentious split decision to Rob Emerson at UFC 81 on February 2, 2008 at the Mandalay Bay Events Center in Las Vegas, Nevada. Nakamura dropped Emerson with a big knee at the end of the first round after Emerson had outstruck him for much of the round up until that point. Emerson came back strong in the second round landing crisp combinations that left Nakamura's face a mess at the end of the  round. Nakamura scored takedowns in the third round on a visibly tiring Emerson while also landing some strong knees but it was not enough to win the decision as the scores read 30–27, 28-29 and 30–27 in favor of Emerson. Following this loss, Nakamura was released from the UFC. After the fight, the 24-year-old Nakamura announced his retirement from MMA. Disappointed by his three UFC defeats, "K-Taro" also suffered from vision issues following the Emerson bout, due his opponent's toe impairing his vision after a high kick attempt. Return to Japan. Despite his claim that  he would become a police officer, Nakamura's retirement lasted a mere few months. He returned in September 2008 as he faced Adriano Martins in for the DREAM promotion. He won the fight via unanimous decision. Nakamura suffered a devastating loss to heavy underdog Korean fighter, Jang Yong Kim in his second post-retirement comeback fight. Since then, he has seen a resurgence, going 13-2-1 over the next few years, including winning the Sengoku Welterweight Grand Prix with a submission victory over Yasubey Enomoto. UFC return. Nakamura returned to the UFC in September 2015. He faced Li Jingliang  on September 27, 2015 at UFC Fight Night 75. After being bloodied by his opponent over two rounds, Nakamura rallied back to win the fight via submission in the third round. The win also earned Nakamura his first "Performance of the Night" bonus award. Nakamura faced Tom Breese on February 27, 2016 at UFC Fight Night 84. He lost the fight via unanimous decision. Nakamura faced Kyle Noke on July 13, 2016 at UFC Fight Night 91. He won the fight via submission in final seconds of the second round. Nakamura next faced Elizeu Zaleski dos Santos on October 1 , 2016 at UFC Fight Night 96. He lost the fight via unanimous decision. Nakamura faced Alex Morono at on September 23, 2017. He won the fight by split decision (29-28, 28–29, 29-28). Nakamura faced Tony Martin on April 21, 2018 at UFC Fight Night 128. He lost the fight by unanimous decision. Nakamura faced Salim Touahri on December 2, 2018 at UFC Fight Night 142. He won the fight via split decision. Nakamura faced Sultan Aliev on April 20, 2019 at UFC Fight Night 149. He lost the fight via unanimous decision. In September 2019, it was reported  that Nakamura was released by UFC. Post-UFC career. After the release from the UFC, Nakamura signed with RIZIN. After winning his promotional debut via TKO, he next faced Lorenz Larkin at on December 29, 2019. He lost the fight by unanimous decision.