ファブリシオ・ヴェウドゥム
Oleynik was scheduled to face Fabrício Werdum on May 9, 2020 at UFC 250. However, on April 9, Dana White, the president of UFC announced that this event was postponed and the bout eventually took place on May 9, 2020 at UFC 249. Oleynik won the fight by split decision.