Chael Sonnen Says He’s Moving Back To Light Heavyweight, Facing Forrest Griffin Dec. 29th

Former UFC middleweight contender Chael Sonnen says he is moving back to light heavyweight and will take on former champion Forrest Griffin on December 29. The expected event for that date is UFC 155 in Las Vegas, Nevada. Sonnen is coming off a loss to middleweight champ Anderson Silva this summer in their much anticipated rematch.