Former UFC lightweight champion Charles Oliveira is showing off his new back piece tattoo. Oliveira (33-9 MMA) last fought in October of last year at UFC 280 where he was defeated by Islam Makhachev (23-1 MMA) in a bout for the promotion’s lightweight championship. Prior to that setback, Oliveira had strung together 11 wins in … Continue reading Former UFC champion Charles Oliveira shows off his new back piece tattoo (Photo)