Questions on your mind about recent happenings in the UFC or the sport of MMA in general? MMA Junkie’s Twitter Mailbag with @mma_kings is here – and this week he answers: Which under-the-radar prospect is a potential future champion? Who is really next after Stipe Miocic vs. Daniel Cormier ? Does Marlon Vera have a chance against Sean O’Malley ? To ask a question of your own, follow @MMAjunkie on Twitter and let us know.