Raoni Barcelos will get a quick turnaround when he faces a fellow rising contender. With Cody Stamann out, Barcelos (16-1 MMA, 5-0 UFC) has stepped in to face Merab Dvalishvili (12-4 MMA, 5-2 UFC) at UFC Fight Night on Dec. 5, which takes place at the UFC Apex in Las Vegas
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