BJ Penn made UFC history by being champion of both the welterweight and lightweight division. Nick Diaz made history himself, having achieved champion status at the WEC and Strikeforce. The Jiu-Jitsu black belts will face off in an explosive encounter at UFC 137, on the coming 29th of October.
Watch the video of what’s to come:
http://www.youtube.com/watch?v=UIuWaAyfWF4
