Madison Square Garden plays host to a huge UFC pay-per-view event on Saturday night as Jon Jones takes on Stipe Miocic at UFC 309. We take a look at the key storylines heading into fight night in New York City.

Jon Jones and Stipe Miocic are set to fight for the heavyweight championship at UFC 309 on Saturday night at Madison Square Garden.

NEW YORK – Jon Jones did not hesitate when praising a former foe. Heavyweight champion Jones (27-1 MMA, 21-1 UFC) makes his first title defense against Stipe Miocic (20-4 MMA, 14-4 UFC) in Saturday's UFC 309 (pay-per-view, ESPNews/Hulu/FX, ESPN+) main event at Ma