ONE Championship is set to return to the United States for ONE 173: Denver, featuring Stamp Fairtex vs. Denice Zamboanga.

Stamp Fairtex and Denice Zamboanga will unify the ONE Championship atomweight MMA titles when the promotion returns to the United States later this year - with more major headline fights in the works.

ONE Championship’s ONE Friday Fights 98 saw Nongbia LaoLaneXang make a statement with a spectacular first-round knockout ...

Stamp Fairtex returns to defend her atomweight crown against interim champion Denice Zamboanga at ONE 173 in Denver, Colorado ...

Pacio unified ONE’s 125-pound titles. He was the champ coming in – but he won the title back from Books on a disqualification ...

ONE Championship returns to Qatar for the second time today (February 20) with a ONE 171 card that features two title fights ...

Bibiano Fernandes Retirement Bout, Two Other Fights Added to ONE 171: Qatar Bibiano Fernandes will call it a career in February, but not before he squares off against Kevin Belingon one more time.

Our stunning guide takes an in-depth look at each team and driver pairings, tells you all you need to know about every track ...

ONE Championship flyweight Muay Thai contender Denis Puric has called for his spot in the rankings to be reinstated after Elias Mahmoudi was suspended six months for a positive drugs test. Algeria ...