Former interim UFC welterweight champion  Colby Covington has been a loyal  Donald Trump supporter since the billionaire businessman announced his candidacy for president in 2015. He’s been to the  Oval Office , attended events at Trump’s Mar-a-Lago Florida resort, and appeared at  campaign rallies . Following his UFC on ESPN 5 win over former champion  Robbie Lawler , the president called Covington to congratulate him on the win