Dustin Poirier will face Justin Gaethje in the main event of UFC 291 on Saturday, a rematch of an epic battle in 2018. The main UFC 291 fight card is set for 10 p.m. ET from the Delta Center in Salt Lake City. Poirier is a -145 favorite (risk $145 to win $100), while Gaethje comes back at +125 (risk $100 to win $125) in the latest UFC 291: Poirier vs. Gaethje odds from Caesars Sportsbook.

Before making any UFC 291 picks of your own, 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 $11,000! 

The accomplished MMA analyst has provided consistent winners for SportsLine members for the past four 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 291: Poirier vs. Gaethje, we can tell you Marley is backing Bobby Green (-400) to get the better of Tony Ferguson (+320) in a lightweight battle. Green "should be the higher-volume striker and he can do it for a full 15 minutes," Marley told SportsLine.

Marley also has strong picks for Poirier vs. Gaethje and other bouts on the UFC 291 card. He's also backing a fighter who "has improved a lot" to emerge with a DOMINANT victory! You NEED to see his UFC 291 picks before making any of your own.

Who wins UFC 291: Poirier vs. Gaethje, and which other fighters to do you need to back? Join SportsLine now to see which fighters you need to be all over Saturday, all from the expert who's up nearly $11,000 on MMA picks!