Alistair Overeem will face Aleksei Oleinik when the UFC heads to Russia for UFC St. Petersburg on Saturday.
It will be a heavyweight match-up between Overeem and last-minute replacement Oleinik after Alexander Volkov pulled out.
Overeem, the "Demolition Man" last took down Sergey Pavlovich in November 2018.
Oleinik, the "Boa Constrictor" is on a two-fight win streak.
How to Watch: You can watch the fight online with ESPN+. Viewers must have an ESPN+ subscription in order to order the fight. New subscribers can order St. Petersburg for $79.99 and receive a year-long subscription to ESPN+, a $109.