The free agent rankings are out, so ESPN.com's Buster Olney breaks down the winners and losers. Here are the details from his latest blog post: Billy Wagner is a Type A free agent, so teams will have to surrender a draft pick to sign him if the Red Sox offer arbitration, as expected. This hurts Wagner's value, since he's coming back from Tommy John surgery and teams will hesitate to give up a top pick for an injury risk. Olney wouldn't be surprised to see Mark DeRo...