Light heavyweight champion Jon Jones defends his title on Saturday night against Thiago Santos in the main event of UFC 239. The 13-bout card kicks off with preliminary bouts at 8 p.m. ET, followed by the main card at 10 p.m. ET. Jones is a -525 favorite, while Santos is +415 in the latest Jones vs. Santos odds. 

Before you make any UFC 239 picks, you need to see the predictions from SportsLine MMA expert Kyle Marley. He won the first-ever "ToutMaster" UFC betting contest sponsored by MMAOddsBreaker and is in contention to win this year's contest. He also appears regularly on multiple MMA betting and DFS shows. Over the past year, $100 bettors who have followed Marley's picks are up nearly $23,000!

Marley has been massively profitable in 2019. Over the past two weeks, he has compiled a stunning record of 19-4, netting his followers a profit of $1,400! At last week's UFC Minneapolis card, he accurately predicted Francis Ngannou's knockout of Junior dos Santos in the main event and also picked Joseph Benavidez winning his rematch with Jussier Formiga in the co-main event. 

For UFC 239, we can tell you Marley is backing Claudia Gadelha (-235) to beat Randa Markos (+195) in a women's strawweight bout on the undercard. 

"Gadelha is the better fighter all-around in this matchup, and she can win on her feet or dominate on the ground," Marley told SportsLine.

Marley also has extremely confident picks locked in for Jones vs. Santos and every other bout on the stacked UFC 239 card! You ABSOLUTELY need to see his picks before making any of your own.

Who wins Santos vs. Jones? And how does each fight end? ... Join SportsLine right now to see which fighters you need to be all over Saturday at UFC 239, all from the incomparable expert who's up nearly $23,000 in MMA bets in the last year!