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Marcio Barbosa successfully debuted in the UFC by knocking out Dennis Buzukja in the first round. Barbosa extended his winning streak to five fights, all ending in first-round knockouts. The Brazilian showcased the finishing ability that has defined his career. Buzukja suffered his fourth loss in the UFC, dropping to 1-4 in the promotion. The knockout is being considered for inclusion in the year's best knockout compilation.
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