Jon Jones will defend his heavyweight title against Stipe Miocic in the main event of UFC 309 tonight, a year after the fight was first scheduled.Jones and Miocic were due to meet at Madison Square Garden last November,

Jon Jones vs. Stipe Miocic Headlines UFC 309 at MSG. Ladies and gentlemen fight fans of all ages, the time has come! The main event of UFC 309 brings us a heavyweight championship matchup for the ages,

Jones, 37, submitted Ciryl Gane in the first round of his most recent UFC appearance in March 2023 to capture the vacant UFC heavyweight title in his divisional debut. Prior to that, Jones was a longtime UFC light heavyweight champion who held the belt under multiple reigns.