Nigeria's Mixed Martial Arts (MMA) star Kamaru Usman in the early hours of Sunday, November 7th defeated American Colby Covington to retain his Ultimate Fighting Championship (UFC) welterweight title.

Bonfim issued a challenge to Covington after his past two UFC bouts, wins over Stephen Thompson and Randy Brown, saying “I’m going to retire” the former interim champion. He got no response, though, ...