Choi started getting noticed in the MMA world after making his DEEP debut in June 2010, when he faced Yusuke Kagiyama. Choi lost his Deep debut via split decision. After a short stint on the independent circuit, Choi returned to DEEP in September 2010, facing Atsuhiro Tsuboi. He won by TKO in the first round.[2] He went undefeated in his next fights in MMA, beating various fighters like Mitsuhiro Ishida, Kosuke Omeda, and Nobuhiro Obiya.
Before being released to fight in the UFC, Choi fought for DEEP one last time, on June 15, 2013, when he faced Japanese prospect Shoji Maruyama. He won via TKO in the second round.[3]
Sengoku Raiden Championship
While fighting for DEEP, Choi also signed with Sengoku Raiden Championship. He had his first fight at SRC: Sengoku Raiden Championship 13, when he faced Ikuo Usuda. Choi won via split decision. A few months later, Choi was slated to face Masanori Kanehara at SRC: Sengoku Raiden Championship 15.[4] However, three weeks before the event, Choi suffered an injury and the fight was taken off the card.[5]
Ultimate Fighting Championship
In November 2013, following a nine-fight winning streak, Choi signed a contract to fight with the UFC to compete in their featherweight division.[6]
Choi was scheduled to face Sam Sicilia on May 24, 2014, at UFC 173.[7] However, Choi pulled out of the bout with an injury.[8]
Choi ultimately made his debut when he faced Juan Puig on November 22, 2014, at UFC Fight Night 57. He won the fight via TKO just 18 seconds into the first round.[9]
A rescheduled bout with Sam Sicilia was expected to take place on July 15, 2015, at UFC Fight Night 71.[10] However, Choi pulled out of the fight in late June for undisclosed reasons.[11]
The bout with Sicilia was scheduled a third time and took place on November 28, 2015, at UFC Fight Night 79. Choi won the fight via knockout in the first round.[12] The win also earned him his first Performance of the Night bonus award.[13]
Choi faced Cub Swanson on December 10, 2016, at UFC 206. He lost the fight via unanimous decision.[16] The fight was nominated for Fight of the year by the World MMA Awards[17] and ESPN. Both participants were awarded Fight of the Night.[18] During UFC 273 broadcast in April 2022 it was announced that the fight will be inducted to the UFC Hall of Fame Fight Wing class of 2022.[19]
Choi was briefly linked to a bout with Renan Barão which was expected to take place on April 15, 2017, at UFC on Fox 24.[20] However, as the announcement of the pairing began to circulate, Choi declined the bout, and as a result, Barao is expected to be rescheduled against a different opponent, possibly at another event.[21]
Choi was expected to face Andre Fili on July 29, 2017 at UFC 214.[22] However, Choi pulled out of the fight on June 14 citing an injury and was replaced by promotional newcomer Calvin Kattar.[23]
Choi faced Charles Jourdain on December 21, 2019 on UFC on ESPN+ 23.[27] After knocking Jourdain down in the first round, Choi eventually lost the fight via TKO in the second round.[28] Both participants were awarded Fight of the Night awards.[29]
Choi was scheduled to face Danny Chavez on July 31, 2021 at UFC on ESPN 28.[30] However, Choi had to pull out of the bout due to injury.[31]
Returning after a three-year layoff, Choi faced Kyle Nelson on February 4, 2023, at UFC Fight Night 218.[32] After a point deduction in the third round due to a headbutt, the fight ended in a majority draw.[33] 9 out of 11 media outlets scored the fight as a win for Choi.[34]
Choi faced Nate Landwehr on December 7, 2024 at UFC 310.[37] He won the fight by technical knockout via ground punches and elbows in the third round.[38]
Personal life
Choi married his wife in 2017 and divorced in 2021.[39]
^Ahn, Tae-hyun (January 15, 2023). "최두호 "2년 반 전에 협의 이혼…현재는 싱글" 깜짝 고백" [Choi Doo-ho "Divorced by agreement two and a half years ago... Currently single" surprise confession] (in Korean). News1. Retrieved January 20, 2023 – via Naver.
^Kang Seon-ae (December 6, 2022). "섹시매미' 추성훈·김동현vs'슈퍼좀비' 정찬성·최두호…'순정파이터', 팀 포스터 공개" ['Sexy Cicada' Choo Sung-hoon and Kim Dong-hyun vs 'Super Zombie' Jung Chan-seong and Choi Doo-ho... 'Pure Fighter' team poster released] (in Korean). SBS Entertainment News. Retrieved December 25, 2022 – via Naver.