Mauricio "Shogun" Rua will return at UFC 83. Who he will fight is yet to be revealed, but we'll try to shed some light on the subject.
At Cage Rage 24, Murilo "Ninja" Rua defeated Xavier Foupa-Pokam to move to an impressive 3-0 in Cage Rage events. In his corner was his younger brother, Mauricio "Shogun" Rua, who has made a huge impact on the entire sport of MMA. After the event, Shogun revealed to the press and to fans that he would be returning to the Octogan at UFC 83. No opponent has been named.
Although an opponent hasn't been named, according to Shogun's management there is a strong possibility of him fighting Tito Ortiz. Although this is currently just a name being thrown around, rumors often come true.