Brock Orville Larson is a retired American professional mixed martial artist who competed in the Welterweight and Middleweight divisions. A professional competitor from 2002 until 2016, Larson has formerly competed for the UFC, the WEC, and ONE FC.
Larson made his professional mixed martial arts debut in 2002 and compiled an undefeated record of 15-0 while competing in the regional circuit before being signed by the UFC.
Larson made his UFC debut at UFC Fight Night 2 on October 3, 2005 in a Middleweight bout against Jon Fitch. Larson lost via unanimous decision. After winning his next six consecutive fights, Larson returned to the promotion at UFC Fight Night 7 on December 13, 2006 where he faced Keita Nakamura. Larson won via unanimous decision.
World Extreme Cagefighting
Larson then transitioned into the WEC, making his promotional debut at against Erik Apple on April 24, 2007. Larson won via kimura submission in the first round. Larson made his next appearance on June 3, 2007 against Kevin Knabjian at WEC 28 and won via TKO 27 seconds into the first round. With a 2-0 promotional record and a nine-fight winning streak, Larson was offered a fight for the WEC Welterweight Championship against then-champion Carlos Condit at WEC 29 on August 5, 2007 and was defeated in the first round via armbar submission. In December 2008, the WEC Welterweight division merged with the UFC's Welterweight division after the promotion decided to focus on lower weight classes.
UFC return
Larson made his UFC return against Jesse Sanders, and won via rear-naked choke submission at on April 1, 2009. Larson then fought at UFC 98, defeating Mike Pyle by arm-triangle choke submission in round one, earning Submission of the Night honors. At UFC 106 he fought Brian Foster. Larson had two points deducted in the first round for an illegal kick and an illegal knee before being defeated in the second round by technical knockout on November 21, 2009, at UFC 106. Following the loss, Larson was cut by the UFC.
Larson was signed by ONE FC and made his promotional debut against Melvin Manhoef at on April 5, 2013 and won via unanimous decision. Larson then faced Nobutatsu Suzuki for the inaugural ONE FC Welterweight Championship on March 14, 2014 at ONE FC: War of Nations. He lost the fight via unanimous decision.
Legacy FC and Retirement
Larson made his debut for Legacy Fighting Championship in July 2015. He challenged Derrick Krantz for the Legacy FC Welterweight Championship, but ended up losing the bout via knockout in the third round. In his second fight for the promotion, Larson faced Travis Coyle on February 5, 2016 at Legacy FC 51. He was in trouble early on as Coyle locked on a guillotine choke; however, Larson survived the various submission attempts and ended up winning the fight via TKO in the first round. Post-fight, Larson's team awarded him with a personalized belt marking his years of competition from 2002-2016 and he retired from active MMA competition in order to concentrate on coaching.
Personal life
Larson and his wife have three children. Before fighting professionally, Larson worked in road construction.
