A pair of heavyweights with contrasting styles will headline a late-summer UFC event when Derrick Lewis takes on Aleksei Oleinik.
MMA Junkie confirmed that Lewis (23-7 MMA, 14-5 UFC) and Oleinik (59-13-1 MMA, 8-4 UFC) will meet in the main event of the Aug. 8 show, which does not have an...