[video=youtube;KNuxFSO37m0]http://www.youtube.com/watch?feature=player_embedded&v=KNuxFSO37m0[/video] Always fascinating to see guys who have fought each other get along like this. Interesting that they're all linked, too. Penn used to train with the Gracie's. GSP and Matt Serra are both Renzo students, though Serra has spent significantly more time with him.
