Two all-time greats will return to the octagon in a UFC Heavyweight Championship bout that headlines the UFC 309 card on Saturday. Madison Square Garden in New York City will see champion Jon Jones defend his title against Stipe Miocic, a former two-time heavyweight champion. The main card begins at 10 p.m. ET as Jones (27-1) has his first bout since March 2023, while Miocic (20-4) has his first fight since March 2021. Jones is the -650 favorite (risk $650 to win $100) in the latest UFC 309 odds, with Miocic the +470 underdog.

Also on the UFC 309 card is a lightweight bout between a pair of top-10 contenders in No. 2 Charles Oliveira and No. 7 Michael Chandler. A former lightweight champion, Oliveira is the -258 favorite, while Chandler -- who has lost three of his last four bouts -- is the +200 underdog. Before locking in your picks for UFC 309 picks, you NEED to see the latest MMA predictions from SportsLine MMA analyst Kyle Marley. 

Over the past three-plus years, $100 bettors who have followed Marley's picks are up nearly $10,000, and since May 2018, he has returned well over $21,000!

The accomplished MMA analyst has provided consistent winners for SportsLine members for the past five years. His accomplishments include hitting five consecutive main-event underdog winners in 2020 following the UFC's brief pause in action because of the pandemic. Anyone who has followed Marley is WAY UP!

This week at UFC 309, we can tell you Marley is backing Mauricio Ruffy (-750) to defeat James Llontop (+525) in a catchweight bout on the main card. "Ruffy looks like the real deal. He is too slick and dangerous for Llontop, and this looks like a matchup that was set up for him to win. Give me Ruffy by TKO," said Marley.

Marley also has strong picks for Jones vs. Miocic and other bouts on the UFC 309 card. He's also backing one underdog who has the "danger edge on the feet" to prevail! You MUST see his UFC 309 picks before making any of your own.

Who wins Jones vs. Miocic, and which other fighters to do you need to back with UFC 309 predictions? ... Join SportsLine now to see which fighters you need to be all over Saturday, all from the expert who's up nearly $10,000 on MMA picks over the last three-plus years!