By John Morgan, The Underground The UFC president previews Saturday’s main event between friends turned enemies in an interview with The Underground. View the original article to see embedded media. LAS VEGAS – While there won’t be a title on the line in Saturday’s UFC 272 headliner on ESPN+ pay-per-view, the personal stakes between friends-turned-rivals Colby Covington and Jorge Masvidal couldn’t be higher. The two welterweight contenders were once each other’s biggest supporter but now are looking to settle the score of a heated rivalry that promises to offer plenty of theatrics leading up t…