ONE Championship 66: Warriors of the World will take place on December 9, 2017 at the Impact Arena in Bangkok, Thailand.
Fight Card
Yoshitaka Naito vs. Alex Silva For strawweight title
Shannon Wiratchai vs. Rasul Yakhyaev
Kotetsu Boku vs. Christian Lee
Dejdamrong Sor Amnuaysirichok vs. Riku Shibuya
Rika Ishige vs. Rome Trinidad
Xiong Jingnan vs. April Osenio
Dodi Mardian vs. Yodsanan Sityodtong
Sagetdao Petpayathai vs. Jimmy Yabo
Rabin Catalan vs. Kritsada Kongsrichai
Asraful Islam vs. Tang Da Pan