On a Mission for Gold

On this episode of UFC NOW, we'll discuss a fighter who's been on a mission for gold ever since making history on The Ultimate Fighter. We'll also talk about what the future might hold for jiu-jitsu phenom and current strawweight, Mackenzie Dern. We are back with another edition of Roundhouse, where Yves Edwards and Jessica Penne will play a game of Do You Know? And you don't to want to miss this week's Top 5, which is the Top 5 Submission Artists.