Tonight at 10:00 p.m. ET on pay-per-view, the third-ranked pound-for-pound fighter in the UFC, Demetrious "Mighty Mouse" Johnson (21-2-1), will square off with John "The Magician" Dodson (18-6) in the main event of the UFC 191 card, which can be seen online by clicking this link. The prelim bouts begin at 8:00 p.m. ET on Fox Sports 1, and can be live streamed free here. Watch the early prelims here, which kick off at 7:00 p.m.