UFC middleweight champion, Anderson ai???The Spiderai??? Silva will again move up to 205 pounds to take on former light heavyweight champion, Forrest Griffin at UFC 101 on August 8th. Silva vs. Griffin will now form part of one of the biggest cards of the year in Philadelphia on August 8th. Also on the card is 155 pound champion, B.J. Penn taking on number one contender, Kenny Florian in a fight fans have waited months to see.