Kamaru Usman hit Colby Covington so hard he broke his UFC rival’s jaw in their fight – a warning for Gilbert Burns?

Gilbert Burns finally gets the chance to fight for the UFC welterweight title. Twice he has had to put off fighting for Kamaru Usman’s belt and now has the chance at UFC 258. Usman, though, is undefeated in the UFC and successfully defended his title for a second time last summer, when he dominated Jorge […]