Marcio Barbosa scored a devastating first-round knockout over Dennis Buzukja in his UFC debut at UFC Winnipeg. The 27-year-old Brazilian extends his winning streak to five fights, improving to 18-2 overall. Remarkably, 17 of Barbosa's 18 victories have come by finish, including 15 knockouts and 2 submissions, all in the first round. Buzukja drops to 12-6 and now has just one win in his last five fights, falling to 1-4 in the UFC. The knockout is being considered for inclusion in the year's best knockouts compilation.
