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The PRIDE FC Heavyweight Grand Prix was a single-elimination tournament held in 2004 by the Japanese mixed martial arts promotion PRIDE Fighting Championships. The tournament featured some of the top heavyweight fighters in the world, including Antônio Rodrigo Nogueira, Mirko Cro Cop, Wanderlei Silva, and Fedor Emelianenko. Nogueira ultimately emerged as the winner, defeating Emelianenko in the finals.