rtokens: Camacho took a controversial points decision against the Panamanian in Atlantic City in June in a title fight .
pos: NNP , WP$ CD NN NNS CD NNS , VBZ DT VBP IN DT JJ NN MD VB PRP DT NN IN NNP NNP POS NNP " NNP " NN .
tokens: Duran , whose 97-12 record spans three decades , hopes a win in the 10-round bout will earn him a rematch against Puerto Rico 's Hector " Macho " Camacho .
ltokens: If he loses Saturday , it could devalue his position as one of the world 's great boxers , " Panamanian Boxing Association President Ramon Manzanares said .