Oleinik replaces Volkov vs. Alistair Overeem in UFC on ESPN+ 7

 

With Alexander Volkov (30-7 MMA, 4-1 UFC) no longer able to compete in the heavyweight headliner, Aleksei Oleinik (57-11-1 MMA, 6-2 UFC) will now meet Alistair Overeem (44-17 MMA, 9-6 UFC) on the card.