UFC NOW S03E22 - The Past & Present Heavyweights

On this episode of UFC NOW, we'll look back on the past and present of the heavyweight division, and what it would take for there to be a dominant champ in the weight class. Also, we'll discuss why one of the sports pound for pound best is changing things up. Plus, we're back with another edition of Roundhouse, as Kenny Florian and Kelvin Gastelum will play a game of "Do You Know". And our Top 5 for the week is a good one, which is the Top 5 Shocking Title Changes.