Derrick Lewis vs. Aleksei Oleinik is the classic striker versus grappler matchup. Lewis has huge power with 18 KO/TKOs among his 23 career wins. Oleinik, meanwhile, is one of the greatest heavyweight submission artists ever -- 46 submission finishes in 59 victories.
12hJames Cameron Heron, Special to ESPN
22hKyle Bonagura and Danny Guerra