Petchtanong was the first champion to fall foul of the drug testing protocols, while Ramazanov is back after entering the ring and confronting Jonathan Haggerty at ONE Fight Night 16.

The 26-year-old Kyrgyz says the economic difficulties of his country have helped produced hungry fighters with a winning mentality.

The Swedish 19-year-old – who headlines Fight Night 22 – is growing in size, and ONE Championship does not currently have any female flyweights.

Filipino recently won the belt off the American but it is now unlikely he will be able to defend it until 2025, meaning any upcoming title decider is postponed.

Ben Tynan is two for two in ONE Championship after finishing Duke Didier inside a round, while Mauro Cerilli has had mixed results since signing in 2018.

Hu Yong hopes ‘heavy punches and great physical strength and fitness’ will see him past Australian opponent in fight at Lumpinee Stadium in Bangkok.

Christian Lee holds lightweight and welterweight titles, while Angela Lee was reigning atomweight champion but retired at 27.

Kickboxing legend one of three fighters from China on the night, with Hu Yong facing Reece McLaren in MMA bout and Zhang Lipeng facing Maurice Abevi.

Stamp Fairtex will battle MMA strawweight champion Xiong Jing Nan, while Superlek Kiatmoo9 takes on Jonathan Haggerty for British fighter’s bantamweight Muay Thai crown.

Featherweight champion had to wait almost two years to defend his title after a knee injury cost him all of 2023, and the 28-year-old now hopes to fight in his homeland.

The Thai will defend her belt against Denice Zamboanga but hopes to then have the chance to win the strawweight title and become the first to hold MMA titles in two weight divisions.

Tang Kai returns to ring for first time since 2022 and successfully defends featherweight crown, while Anatoly Malykhin becomes three division champion in Qatar.

Aliakbari, who takes on Canadian former champion Arjan Bhullar at ONE 166, hopes to one day compete on a ONE Championship event in his native Iran.

Jarred Brooks has already beaten Joshua Pacio once, but his decision win left some questions unanswered. The pair clash again in Qatar, with the American looking for a quick finish.

Tang returns to the ring for the first time in 18 months, and will defend his featherweight title against Thanh Le.

Reinier de Ridder and Anatoly Malykhin set to scrap for middleweight title in Qatar on Friday, and pair will come face-to-face in pre-fight press conference on Tuesday.

Dutchman Reinier de Ridder putting middleweight belt on line against undefeated Russian Anatoly Malykhin at ONE 166, in rematch of light-heavyweight title fight.

MMA clash between Stamp Fairtex and Denice Zamboanga moves to June, submission grappling title bout between Tye Ruotolo and Izaak Michell now in April.

Nat ‘Wondergirl’ Jaroonsak was expected to face Dayane Cardoso over four rounds of MMA and Muay Thai, now she will take on ONE Championship debutant Martyna Kierczynska.

Jeremy and Keito Yamakita both looking to get careers back on track following recent losses.

Nat ‘Wondergirl’ Jaroonsak will take on Dayane Cardoso in two rounds of Muay Thai and two of MMA at ONE Fight Night 19.

American Sage Northcutt withdrew from scheduled bout with Shinya Aoki in Japan after learning cornermen were missing bout, ONE hoping for amicable resolution to matter.

McGregor was the first fighter to hold UFC championships in two weight classes simultaneously, while Lesnar made inroads in wrestling, MMA and American football – but faces an uncertain future

Nat ‘Wondergirl’ Jaroonsak and Dayane ‘Day Monster’ Cardoso to fight two rounds of Muay Thai and two of MMA in non-official contest.

Thai fighter Superlek Kiatmoo9 holds on to successfully defend flyweight title against ONE Championship debutant Takeru Segawa in Tokyo.

Superlek Kiatmoo9 will put his ONE Championship flyweight kickboxing title on the line against Takeru Segawa in Tokyo. John Lineker tips scales at 151lbs as potential replacement.

Garry Tonon was on a six-fight winning streak until he came up against Thanh Le in 2022, which he calls an important moment in his career.

Freddie Haggerty picks up US$10,000 bonus for second-round victory over Dankalong Sor Dechaphan in strawweight fight at ONE Friday Fights 49.

American Sage Northcutt will square off against Shinya Aoki in Tokyo this weekend at ONE 165, and the pair’s contrasting styles promise an entertaining affair.