FREE newsletter is as good as that first pint back at the pubUFC have officially announced that Jorge Masvidal will appear at UFC 251 on Saturday night following the news that Gilbert Burns tested positive for Covid-19.Brazilian fighter Burns was set to challenge Kamaru Usman for the UFC welterweight title on Fight Island this weekend.But he has now been removed from the card to be replaced by experienced American Masvidal.The symbolic BMF champion has not fought since last November when he defeated Nate Diaz in the third round at UFC 244.But UFC president Dana White has once again pulled out all the stops to put on what will be a huge welterweight clash for MMA.Both fighters will now fly to Las Vegas where they have to be tested for.