Brett Okamoto of ESPN first reported the news.
Overeem (47-18-0-1NC) enters the contest riding a two fight winning streak, defeating the duo of Walt Harris and Augusto Sakai. Overeem is headlining his fifth straight UFC card and he has a 3-1-0 record in those previous four main event bouts. Overeem has competed 66 times as a professional MMA fighter and just eight of those encounters went the distance.
Volkov (32-8-0) has rotated wins in losses in his previous five fights, with the latest being a second round TKO win over Walt Harris at UFC 254. Volkov has previously headlined three UFC cards and he holds a 2-1-0 record in those three bouts. Volkov is a former Bellator heavyweight champion, defeating Rich Hale at Bellator 84 to claim the gold.
UFC Fight Night: Overeem vs. Volkov takes place on Saturday, February 6 from a location to be announced with Alistair Overeem and Alexander Volkov headlining. Fightful is providing live coverage of the event, while broadcast plans have yet to be revealed.