Things got a little heated between Merab Dvalishvili and Cory Sandhagen on Thursday. Dvalishvili defends his title against top contender Cory Sandhagen in the co-main event of UFC 320 on Saturday in Las Vegas. Photo by Chris Unger/Zuffa LLCCory Sandhagen threatens Merab Dvalishvili in UFC 320 faceoffSandhagen and Dvalishvili exchanged words on stage at the UFC 320 press conference. “I’m gonna put my knee through your face, Merab,” Sandhagen threatened. Cory Sandhagen knocked out Frankie Edgar with a flying kneeSandhagen’s last highlight-reel knockout came via flying knee.