Ultimate Fighting Championship (UFC) has its sights set on staging a major pay-per-view (PPV) event at the Mandalay Bay Events Center in Las Vegas, Nevada, on Oct. 29, 2011.
Additional UFC 137 fight card updates are now beginning to trickle out, including a possible co main event that features former welterweight and lightweight champion, B.J. Penn, challenging former World Extreme Cagefighting (WEC) superstar, Carlos Condit.
Stay tuned to SB Nation MMA for additional UFC 137 fight card updates as they emerge. In the meantime, be sure to check out our complete UFC 137 event archive right here.