Born and raised in Rosemount, Minnesota, began competing in wrestling from a young age and was also a fan of boxing and mixed martial arts. Richman attended Rosemount High School where he competed in wrestling before joining the United States Marine Corps upon graduating. After serving three tours as an infantryman in Iraq and reaching the rank of Sergeant, Richman began training in mixed martial arts in 2008.[3]
Richman was one of 32 contestants selected to compete on The Ultimate Fighter: Team GSP vs. Team Koscheck. In his opening bout to get into the house, Richman lost to Aaron Wilkinson by unanimous decision after two rounds.[4]
After his win over Horodecki, Richman competed in the Bellator Season Seven Featherweight Tournament. In the quarterfinal round at Bellator 76, Richman defeated Jeremy Spoon via head KO 23 seconds into the first round.[6] In the semifinals, he faced Shahbulat Shamhalaev and lost via brutal KO in the first round.
Richman proved he was the superior fighter in his Bellator 88 Featherweight Tournament Quarterfinal bout against Mitch Jackson. Richman won a decisive first-round TKO victory. Richman dominated Jackson on his feet, dropping him three times with short left hooks.[7]
Richman faced Alexandre Bezerra in the semifinals on March 7, 2013 at Bellator 92. He won the bout via split decision.
Richman faced Magomedrasul Khasbulaev in the Bellator Featherweight Tournament Final on April 4, 2013 in Atlantic City.[8] He lost the fight via unanimous decision.
Richman faced Akop Stepanyan at Bellator 106 on November 2, 2013.[9] Richman had been in trouble early in the fight, but floored Stepanyan with a left hook in the first round.[10] He then faced Desmond Green at Bellator 110 in the quarter-finals of the Featherweight Tournament.[11] Richman lost via unanimous decision.
Richman faced Goiti Yamauchi on May 17, 2014 at Bellator 120.[12] He lost the back-and-forth fight via unanimous decision.
In the fall of 2014, Richman moved down to the bantamweight division. He debuted at 135 against Ed West at Bellator 126 on September 26, 2014.[13] He won the fight via knockout in the first round. He also made his signature 'walk-off knockout', where he backs off the fighter before referee called stoppage on the fight.[14]
Richman faced promotional newcomer Nam Phan at Bellator 131 on November 15, 2014.[15] He won the fight via knockout in the first round.
Richman was expected to face former Bellator Bantamweight ChampionEduardo Dantas at Bellator 135 on March 27, 2015.[16] However, the bout was removed from the fight card after Richman suffered an undisclosed injury.[17] The fight eventually took place at Bellator 137 on May 15, 2015.[18] Richman lost the back-and-forth fight by unanimous decision.
On June 9, 2015 the California State Athletic Commission confirmed that Richman had failed a post fight drug test following his fight against Eduardo Dantas at Bellator 137. He tested positive for performance-enhancing drugs according to CSAC Executive Director Andy Foster and will be suspended two years and fined $2,500 for the rule infraction.[19]
Bare-knuckle boxing
BKB
Following his suspension from mixed martial arts, Richman ventured into bare-knuckle boxing. At the time, the sport was still illegal in the United States so he traveled to the United Kingdom for his first fight under the BKB promotion on June 9, 2018.[20]
Valor Bare Knuckle
Richman had his first bare-knuckle fight on US soil at Valor Bare Knuckle 1 on September 21, 2019. His fight with JC Llamas ended in a no contest after an accidental headbutt inflicted a cut above Llamas' eye and rendered him unable to continue.
Bare Knuckle Fighting Championship
Richman made his Bare Knuckle Fighting Championship debut against Marcel Stamps on April 30, 2021 at BKFC 17. He won by first-round technical knockout via shoulder injury.[21]
He next faced Dakota Cochrane on September 10, 2021 at BKFC 21, whom he defeated by second-round knockout.[22]
Richman faced David Rickels on April 8, 2022 at BKFC 23, winning by second-round knockout.[23]
Interim BKFC Light Heavyweight Champion
After three consecutive victories, Richman was set to face Isaac Doolitle for the interim BKFC Light Heavyweight Championship on October 15, 2022 at BKFC 31. He won the fight and interim title via third-round knockout.[24]
As interim champion, Richman was scheduled to face reigning champion Lorenzo Hunt in a title unification bout at KnuckleMania 3 on February 17, 2023. Despite knocking Hunt down in the first round, Richman was knocked out and suffered the first loss of his bare-knuckle boxing career.[25]
Post championship
Richman challenged David Mundell for the BKFC Middleweight Championship at BKFC 47 on July 14, 2023.[26] He lost the fight via knockout in the second round. Afterwards, Richman announced his retirement.[27]
Richman came out of retirement to face Erick Lozano on April 12, 2024 at BKFC Fight Night Clearwater in the main event.[28] He won the bout in the fifth round by knockout.[29]
