ONE Championship kicked off the promotion’s 2022 schedule on Friday in Singapore, and strawweight champ Jing Nan Xiong was able to retain her belt, while lightweight prospect Saygid Izagakhmaev announced his arrival to the promotion in emphatic fashion. The action took place in the featured bouts of “ ONE Championship: Heavy Hitters ,” which streamed on B/R Live from Singapore Indoor Stadium. Xiong (17-2) was dominant in the main event, outstriking grappling specialist Ayaka Miura (11-4) over the course of five rounds and cruising to a unanimous decision to notch the sixth consecutive defense of her strawweight belt. View this post on Instagram A post shared by ONE Championship (@onechampionship) Meanwhile, Khabib Nurmagomedov protege Izagakhmaev (20-2) was perhaps even more dominant in his second-round submission win over James Nakashima (12-3).