Women's featherweight champion Amanda Nunes defends her title Saturday against challenger Felicia Spencer in the main event of UFC 250 in Las Vegas. The main card starts at 10 p.m. ET. Nunes is a -650 favorite (risk $650 to win $100), while Spencer is a +475 underdog (risk $100 to win $475) in the latest Nunes vs. Spencer odds at William Hill. 

Before you make any UFC 250 picks, you NEED to see the latest predictions from SportsLine MMA expert Kyle Marley. He won the first-ever "ToutMaster" UFC betting contest sponsored by MMAOddsBreaker and also appears regularly on multiple MMA betting and DFS shows. Over the past 15 months, $100 bettors who have followed Marley's picks are up more than $20,000!

Marley has hit a WHOPPING eight consecutive UFC main-event picks, including five straight upsets! Last week at UFC Fight Night, he accurately predicted a dominant decision win for Gilbert Burns (+150) against Tyron Woodley (-170). Anyone who has consistently followed Marley is WAY UP.

For UFC 250, we can tell you he's backing Cory Sandhagen (+100) to upset Aljamain Sterling (-120) in a matchup of bantamweight contenders. He's also backing one fighter who "can win by knockout, submission, or decision!" You ABSOLUTELY need to see Marley's picks before making any of your own!

Who wins Nunes vs. Spencer and every bout at UFC 250? And how exactly does each fight end? ... Join SportsLine right now to see which fighters you need to be all over at UFC 250 on Saturday, all from the expert who's up more than $20,000 in MMA picks in the past 15 months and has nailed eight consecutive main-event winners!