Russian Irina Mazepa stepped into hostile territory to take on the hometown favorite, Malaysian MMA queen Ann Osman! Find out who won this explosive bout.

ONE Championship crowned the first ever MMA Featherweight Tournament Champion in Yangon, Myanmar.

In the most highly anticipated strawweight world championship title fight of 2016, Thailand's Dejdamrong Amnuaysirichoke met the challenge of Japan's Yoshitaka Naito. Here's what happened!

Find out why Lee vs Hills was THE MOST talked about fight after ONE: PRIDE OF LIONS in Singapore! The ending will shock you.

Relive KNOCKOUT action from this throw?? clash between Malaysian superstar Ann Osman and Russian warrior Irina Mazepa in 2015! #ONEChampionship Subscribe to ONE Championship on YouTube: http://bit.

Heavyweights Brandon Vera and Igor Subora clash in front of 20,000 fans in the capital city of the Philippines and it ends in a dramatic KNOCKOUT. Watch it for yourself.

The biggest female bout in Asian MMA history saw Singapore's Angela Lee face Japan's Mei Yamaguchi for the inaugural ONE Women's Atomweight World Championship title. Watch the full fight right here.

Singaporean MMA starlet Angela Lee blazed into ONE Championship with a first round demolition of Egyptian kickboxing champion Aya Saber. What do you think about this performance by the 19-year-old?

Malaysia's Ev Ting faced off against Cary Bullos of the Philippines at ONE: AGE OF CHAMPIONS!

Who do you think won this striking battle?

With the inaugural ONE Light Heavyweight World Championship title on the line, these two giants clashed in epic fashion. Watch what happened.

Malaysia's #1 Lightweight Peter Davis faced off against SFL Lightweight Champion Rajinder Singh Meena in the final Malaysian Super Fight of ONE: AGE OF CHAMPIONS in Kuala Lumpur, Malaysia Don't miss

Flashback: Geje Eustaquio of the Philippines took on Kentaro Watanabe of Japan for a shot of at the ONE Flyweight Title. Catch Eustaquio back in action on April 24 at Mall of Asia Arena when ONE Cha

Walaa Abbas vs Ann Osman
Full Fight Video
One FC 25 - Age of Champions
Stadium Putra, Kuala Lumpur, Malaysia, Malaysia
March 13, 2015

In one of the most exciting battles of the year, MMA veterans Roger Huerta and Koji Ando went head to head for 3 rounds! Watch what happens.