Fabricio Werdum vs. Alexey Oleynik set to headline UFC Moscow

The UFC’s inaugural event in Russia will be headlined by a grappler’s delight of a fight.
A heavyweight matchup between former UFC champion Fabricio Werdum and Ukranian-Russian mat wizard Alexey Oleynik is set to headline UFC Moscow on Sept. 15. MMA Fighting’s Ariel Helwani reported the matchup Monday afternoon on The MMA Hour.
Werdum (23-8-1) called out Oleynik on Twitter following Oleynik’s recent first-round ezekiel choke victory over Junior Albini at UFC 224. The two