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Marcus Silveira was defeated by Sakuraba in the UFC. Sakuraba, a renowned Japanese mixed martial artist, is known for his exceptional grappling skills and unorthodox fighting style. In his UFC debut, Sakuraba faced Silveira, a Brazilian jiu-jitsu black belt. Despite Silveira's grappling prowess, Sakuraba showcased his superior ground game and submission skills. He secured a rear-naked choke, forcing Silveira to tap out and claiming a significant victory in the UFC.