Vaunted submission master Aleksei Oleinik (59-15-1 MMA, 8-6 UFC) has been forced to withdraw from next week’s UFC 270 event, but a replacement has already been secured. MMA Junkie learned Thursday from two people with knowledge of the booking who that Serghei Spivac (13-3 MMA, 4-3 UFC) has agreed to step in on short notice and will now face Greg Hardy (7-4 MMA, 4-4 UFC) at the event. The two people requested anonymity because the promotion has yet to make an official announcement. Featuring a pair of championship matchups atop the bill, UFC 270 takes place Jan. 22 at Honda Center in Anaheim, Calif. The night’s main card streams live on ESPN+ pay-per-view .
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