Agent says Birk isn’t retiring

Agent says Birk isn’t retiring

During the playoffs, Charley Casserly of CBS said Ravens center Matt Birk will retire.  Matt Birk said in response that no decision has been made. Last month on PFT Live, Birk said he’ll play for the Ravens or no one in 2012. His agent, Joe Linta, now says that Birk won’t be retiring.  Linta tells…