Sean O’Malley will have the chance to get UFC gold back around his waist when he rematches Merab Dvalishvili in the UFC 316 main event. After dropping the bantamweight belt by unanimous decision to Dvalishvili (19-4 MMA, 12-2 UFC) last September at UFC 306, O’Malley (18-2 MMA, 10-2 UFC) will get an immediate rematch in