Former UFC champion B.J. Penn talks about the UFC 137 fight card shake up that pitted him opposite his friend and former training partner, Nick Diaz, rather than his originally-scheduled opponent, Carlos Condit. With the drama in the rear view mirror, "The Prodigy" is now focused on training for the co main event fight set for the Mandalay Bay Events Center in Las Vegas, Nevada, on Oct. 29, 2011. The video above details his intense preparation for the welterweight bout at the RVCA training facility in southern California ... and much more.