Watch the full episode of the UFC 137 Countdown as it shows you the draw up to Welterweight match up of BJ Penn vs. Nick Diaz. The victor will most likley fight the winner of GSP vs Condit. Heavyweights Cheick Kongo takes on the undefeated Matt Mitrione. Also Legend Mirko Cro Cop takes on Roy Nelson. Watch live this saturday Oct. 29.