(This story was updated to add new information.) The heavyweight title is on the line Saturday in the UFC 309 main event when Jon Jones (27-1 MMA, 21-1 UFC) puts his belt up for the first time when he takes on former champ Stipe Miocic (20-4 MMA, 14-4 UFC). Take a look at a chronological history of the UFC’s heavyweight title, which the promotion uses to claim its holder as “the baddest man on the planet.”