Colby Covington explains why the UFC 'can't trust Khamzat Chimaev' and takes swipe at old nemesis Jorge Masvidal, claiming he has 'big brothered' him his whole life... as he gears up for Leon Edwards showdown | Daily Mail Online

Colby Covington heads into his UFC 296 title shot against Leon Edwards in typically belligerent form on the mic. The controversial American fighter has taken a swipe at his old nemesis.