Marcio Barbosa made a spectacular UFC debut by knocking out Dennis Buzukja in the first round at UFC Winnipeg. The 27-year-old Brazilian extended his winning streak to five fights and improved his record to 18-2, with an impressive 17 finishes overall—15 by knockout and 2 by submission, all in the first round. Buzukja dropped to 12-6 and has won only one of his last five fights, falling to 1-4 in the UFC. Barbosa's both career losses came by knockout in second rounds.
