By Harry Davies Nate Kelly went viral for his cameo at Conor McGregor press conference in 2015 and has now spoken his bold words into existence eight years later. When the UFC visited Dublin to promote McGregor’s first world title fight, Kelly unexpectedly became the star of the show when he grabbed the microphone and sold himself to Dana White. The baby-faced 11-year-old boasted about his martial arts credentials and guaranteed White that he would eventually sign him, even jokingly requesting some money from the UFC boss. Kelly is now making his debut for PFL Europe tonight as he fights at th…