Jouban had his first amateur fight on March 26, 2010, and won via TKO just 14 seconds into the first round. He had his first professional fight on February 8, 2011 vs. Kyle Griffin, winning via 15 second knockout in the first round.
Ultimate Fighting Championship
Jouban made his UFC debut on August 16, 2014 against Seth Baczynski at UFC Fight Night 47. Jouban won by knockout in the first round. The back and forth action earned both participants Fight of the Night honors. Jouban next faced Middleweight winner Warlley Alves on November 8, 2014 at UFC Fight Night 56. Jouban lost the fight by a controversial unanimous decision. Jouban faced Richard Walsh on February 28, 2015 at UFC 184. Jouban won the fight via knockout in the first round. Jouban was expected to face Brian Ebersole on June 6, 2015 at UFC Fight Night 68. However, Jouban pulled out of the fight in late March citing injury and was replaced by Omari Akhmedov. Jouban faced Matt Dwyer on July 15, 2015 at UFC Fight Night 71. Despite having a point taken away for an unintentional knee to his opponent's head, he won the back and forth fight by unanimous decision. Both participants were awarded Fight of the Night honors. Jouban faced Albert Tumenov on October 3, 2015 at UFC 192. He lost the fight via TKO in the first round. Jouban faced Brendan O'Reilly on March 20, 2016 at UFC Fight Night 85. Jouban won the fight via TKO in the first round. Jouban was expected to face Nordine Taleb on July 7, 2016 at UFC Fight Night 90. However, Taleb pulled out of the bout in early June citing an injury and was replaced by promotional newcomer Belal Muhammad. He won the fight via unanimous decision. Both participants were awarded Fight of the Night honors for their performance. Jouban faced Mike Perry on December 17, 2016 at UFC on Fox 22. He won the fight by unanimous decision. Jouban faced Gunnar Nelson on March 18, 2017 at UFC Fight Night 107. After being rocked with a punch, Jouban lost the fight via a guillotine choke in the second round. Jouban was briefly linked to a bout with Brian Camozzi on July 8, 2017 at UFC 213. However, Jouban pulled out of the fight on June 6 citing a foot injury. Jouban faced Niko Price on August 5, 2017 at. He lost the fight via TKO. Jouban faced Ben Saunders on February 24, 2018 at UFC on Fox 28. He won the back-and-forth fight via knockout in the second round. This win earned him the Fight of the Night bonus. Jouban was expected to face Danny Roberts on July 22, 2018 at UFC Fight Night 134. However, on July 12, Jouban was pulled out from the fight, citing a neck injury. Jouban faced Dwight Grant on April 13, 2019 at UFC 236. He lost the fight via split decision. Subsequently, Jouban signed a new, five-fight contract with the UFC.
Personal life
Prior to signing with the UFC, Jouban was a professional model and also appeared in several television commercials. Jouban signed a deal with Versace in 2016. He appeared in a short film as the face of Versace's Dylan Blue fragrance advertisement along with Gigi Hadid.
Championships and achievements
Mixed martial arts
Ultimate Fighting Championship
*Fight of the Night vs. Seth Baczynski, Matt Dwyer, Belal Muhammad, and Ben Saunders