Gallery Aleksei Oleinik def. Junior Albini at UFC 224: Best photos view 14 images With Fabricio Werdum ruled out of September’s UFC Fight Night headliner in Russia, it appears Aleksei Oleinik will now fight Mark Hunt in the new heavyweight main event. Hunt (13-12-1 MMA, 8-6-1 UFC) replaces Werdum (23-8-1 MMA, 11-5 UFC) on the card after the former UFC heavyweight champion was notified of a potential anti-doping violation from USADA, which oversees the UFC’s drug testing program. Now Oleinik (56-11-1 MMA, 5-2 UFC) will meet “The Super Samoan,” according to reports from MMAFighting.com and MMATeamDagestan