Cain Velasquez is the most dominant heavyweight on the planet.
Lofty though that distinction may be, it fails to capture just how good the UFC heavyweight champion is.
Given his relatively small size for a heavyweight, one could argue that Velasquez should be breathing the same air as Jon Jones and Georges St-Pierre in the pound-for-pound rankings.
Yet still questions remain for Velasquez, particularly when placed within the context of a rubber match with Junior dos Santos, the only man to best him.
Read on for three important questions we have about the heavyweight champion ahead of UFC 166.