We revisit one of the most heated rivalries in ONE history between two-division ONE World Champion Aung La N Sang and Japanese warrior Ken Hasegawa. Watch as these middleweight warriors open up about their journeys — from overcoming hardships, to achieving martial arts greatness, to battling for ONE Championship gold! Where does this rank amongst the greatest rivalries in ONE history? Subscribe to ONE Championship on YouTube: http://bit.ly/ONECHAMPIONSHIP Connect with ONE Championship: ONE Super App: http://bit.ly/ONESuperApp Website: https://onefc.com/ Facebook: https://www.facebook.com/ONEChampionship Twitter: https://twitter.com/ONEChampionship Instagram: https://www.instagram.com/ONEChampionship TikTok: https://www.tiktok.com/@onechampionship