Marcio Barbosa knocks out Dennis Buzukja in UFC debut at UFC Winnipeg

Marcio Barbosa successfully debuted in the UFC by knocking out Dennis Buzukja in the first round at UFC Winnipeg. The 27-year-old Brazilian extended his winning streak to five fights, with all victories coming by first-round finish. Barbosa's record now stands at 18-2, with 17 finishes including 15 knockouts and 2 submissions. Buzukja falls to 12-6 overall and has won only one of his last five fights, with a 1-4 record in the UFC.