Jai Herbert

Early career

After going 9–1 as an amateur, Herbert made his professional MMA debut in 2015. He recorded consecutive second-round knockouts with Full Contact Contender and later signed a four-fight contract with BAMMA.^[8]

On 14 November 2015, Herbert made his promotional debut at BAMMA 23 and beat Ben Bennett via knockout in the second round. On 14 May 2016, he earned a second round submission against Tony Morgan at BAMMA 25. On 16 December, he suffered his first loss against future UFC fighter Rhys McKee in a lightweight title bout at BAMMA 27.^{[citation needed]}

In February 2017, Herbert was due to face Steve Owens at BAMMA 28, but his opponent was forced to withdraw with illness the day before.^[9] On 12 May, Herbert beat Rick Selvarajah at BAMMA 29 via knockout in the second round.^{[citation needed]}

In late 2017, Herbert voiced his displeasure about BAMMA's matchmaking. Due to an over-booking of fights by the promotion, Herbert saw a scheduled bout cancelled at late notice due to the number of tickets sold by the fighters. He announced he would not fight under the BAMMA promotion again and subsequently signed with Cage Warriors.^[8]

Cage Warriors

On 16 June 2018, Herbert faced Erdi Karatas at Cage Warriors 94. He won by unanimous decision in the co-main event. He was then due to fight Donovan Desmae at Cage Warriors 98, but had to withdraw two weeks prior to the bout. On 8 December, he returned with a first round knockout against Joe McColgan at Cage Warriors 100.

On 2 March 2019, Herbert appeared in the co-main event at Cage Warriors 102 and beat Steve O'Keefe via a first round knockout. He was then handed his first title opportunity with the promotion and beat Jack Grant at Cage Warriors 106 to claim the vacant lightweight championship. On 26 October, he successfully defended his title against Cain Carrizosa at Cage Warriors 109 with a first round knockout.

Ultimate Fighting Championship

In January 2020, Herbert signed with the UFC.^[10] He was due to face Marc Diakiese as a replacement at UFC Fight Night: Woodley vs. Edwards in March, but the event was later cancelled due to the COVID-19 pandemic.^[11]

On 25 July 2020 Herbert faced Francisco Trinaldo at UFC on ESPN 14. He lost the fight via knockout in round three.^[12]

Herbert faced Renato Moicano on 26 June 2021 at UFC Fight Night 190.^[13] He lost the fight via a rear-naked choke in round two.^[14]

Herbert faced Khama Worthy on 23 October 2021 at UFC Fight Night 196.^[15] He won the bout via TKO in round one.^[16]

Herbert was scheduled to face Mike Davis on 19 March 2022 at UFC Fight Night 204.^[17] However, Davis withdrew from the bout for personal reasons and he was replaced by Ilia Topuria.^[18] Herbert landed a head kick in the first round that dropped Topuria, but ultimately lost the fight via knockout in round two.^[19]

Herbert faced Kyle Nelson on 23 July 2022 at UFC Fight Night 208.^[20] He won the fight by unanimous decision.^[21]

Herbert faced Ľudovít Klein on 18 March 2023 at UFC 286.^[22] After a point deduction in the third round due to multiple groin strikes, the fight ended in a majority draw.^[23]

Herbert faced Farès Ziam on 22 July 2023 at UFC Fight Night 224.^[24] He lost the fight via unanimous decision.^[25]

Herbert faced Rolando Bedoya on 3 August 2024 at UFC on ABC 7.^[26] He won the fight by unanimous decision.^[27]

Herbert faced Chris Padilla on 22 March 22 2025, at UFC Fight Night 255.^[28] He lost the fight by split decision.^[29]

Herbert faced Mandel Nallo on 18 April 2026 at UFC Fight Night 273.^[30] He won the fight by technical knockout in the first round.^[31]

Mixed martial arts

• Cage Warriors
  • Cage Warriors Lightweight Championship (One time)
    • One successful title defence
  • Cage Warriors Academy South East Lightweight Championship (One time)