A Prolific Knockout Artist

On this episode of UFC NOW, we'll talk about a fighter who is gaining a reputation for being a prolific knockout artist. We'll also discuss one of the greatest jiu-jitsu practitioners to ever enter the octagon. We are back with another edition of Roundhouse, where Michael Bisping and Kenny Florian will play a game of Do You Know? And you're not going to want to miss this week's Top 5, which is the Top 5 Southpaws.