 After signing with ONE Championship in 2014, Aung La Nsang returned to his home country of Myanmar two years later at , winning his bout to become a national hero.On March 18, 2016, he fought in Yangon for the first time, beating Mohamed Ali by submission.On June 30, 2017, he became Myanmar's first ever world champion in any mainstream sport, beating Vitaly Bigdash at to win the ONE Middleweight World Championship.