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Dan Henderson: Former Pride champion. MMA legend. The only man to have two major MMA titles in different weight classes simultaneously. He's a wrestler but, more recently, he's been using his striking game to earn victories. His signature move is his right hand, nicknamed the "H-bomb" for its ability to annihilate opponents. Will fight Jon Jones at UFC 151.
Rashad Evans: Rival and former training partner of Jon Jones. Fought Jones to a decision at UFC 145 in a losing effort. Former light heavyweight champion in a fight to Lyoto Machida.
Lyoto Machida: One of the few high-level Karate practitioners to achieve success in mixed martial arts. Training partner of Anderson Silva. Former light heavyweight champion, lost the belt to Mauricio "Shogun" Rua.
Mauricio "Shogun" Rua: Former Pride champion and a living legend. Skilled Muay Thai fighter. Former UFC light heavyweight champ who was dethroned by Jon Jones.
Ryan Bader: Once talked about in the same way as Jon Jones was...until Jones smashed him. Recently though, Bader has put his career back together with wins over Jason Brilz and the charismatic Quinton "Rampage" Jackson.
Alexander Gustaffson: Swedish prospect with a 19-1 record. He has won his last five fights in the UFC. His only loss in the UFC came to Phil Davis.
Phil Davis: Physically gifted wrestler whose rise was halted by Rashad Evans back in January. His record is now 9-1.