UFC roundup: Kamaru Usman extends winning run against Gilbert Burns
Kamaru Usman retained his welterweight title by winning his 13th successive UFC bout on Saturday night in Las Vegas. The Nigerian-born Texan stopped Gilbert Burns with punches 34 seconds in the third round at UFC 258, taking his record to 18-1, defending his title for the third time, and breaking Georges St Pierre’s consecutive welterweight victories record in the process. Usman was put down in the first round, but recovered…