Expect the unexpected for UFC 137, as a major change of plans are still ongoing. We all know that UFC or Ultimate Fighting Championship is a sport which does not, even a little bit, joke around. This event is real life kicking-ass. Everything is real, because the warriors inside the octagon, fights for their lives.
Even with scheduled events anything could happen. Fighters could be experiencing injury or issues that would force the fight schedule to change or the fighters on that event replaced. UFC 137 was a scheduled fight between GSP, George St-Pierre vs. Nick Diaz, replaced by George St-Pierre vs. Carlos Condit and now the main event was changed to BJ Penn vs. Nick Diaz.
UFC 137: BJ Penn vs. Nick Diaz will be live on Mandalay Bay Events Center, Las Vegas, Nevada. Live Stream Penn vs. Diaz on UFC 137 will be live on Spike TV, Pay-Per-View and Live Stream via Internet on October 29, 2011.