ONE: Odyssey of Champions took place at the Istora Senayan in Jakarta on Sunday night (local time). The main event featured a last-minute change of personnel. With reigning featherweight champion Jadambaa Naruntungalag sidelined by visa issues, Martin Nguyen stepped up to challenge Marat Gafurov . An interim version of the belt was on the line with Nguyen shifted from a proposed prelim fight with Bashir Ahmad to an unexpected title shot in the main event
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