Jon Jones makes the first defense of his heavyweight championship when he faces former champ Stipe Miocic in the main event of UFC 309 on Saturday in New York. The main card at Madison Square Garden is on ESPN+ pay-per-view starting at 10 p.

Former UFC title challengers Chael Sonnen and Anthony Smith, as well as retired lightweight contender Paul Felder will serve as a desk analysts on the UFC 309 post-fight show and throughout the card, when necessary. Brendan Fitzgerald will serve as the host.

Jon Jones will put his heavyweight title on the line against Stipe Miocic in the main event of UFC 309, in the annual stop of the most important mixed martial arts company at Madis