http://fightnetwork.com - UFC welterweight Sean "The Punisher" Pierson chats about his fight with Kenny Robertson, the opponent change for this card, his Punisher outfit that stole the show at the open workouts and going after his third consecutive win in the UFC.For additional coverage of MMA, boxing and pro-wrestling check out http://fightnetwork.com/ or follow us on Twitter at https://twitter.com/fightnet or find us on Facebook at https://www.facebook.com/FightNetwork