One of the best fighters in the history of MMA has officially retired. Antonio Rodrigo Nogueira, a former Pride and interim UFC heavyweight champion, will hang up the gloves and move onto a job with the promotion that he competed in for the last eight years. Guilherme Cruz of MMA Fighting has the news via Twitter: "Former UFC and PRIDE champion Rodrigo "Minotauro" Nogueira has officially retired, will work for the UFC. Story coming to @MMAFighting." http://www.bloodyelbow.com/2015/9/1/9240245/ufc-antonio-rodrigo-nogueira-officially-retires-from-mma I thought he was taking the last fight of his contract, but that was about time.