Antonio Rodrigo Nogueira Retires, Joins UFC Brazil as Athlete Relations Ambassador September 20, 2015 (09:45) [ Indexed from The Fight Network ] Mixed martial arts (MMA) legend Antonio Rodrigo Nogueira, known by fans worldwide as Minotauro, officially announced his retirement from UFC competition today. While his fighting days may have come to a close, his work in the MMA community is only beginning as he will serve as an Athlete Relations Ambassador for UFC Brazil. More...