Absolutely nothing is certain for the Chicago Cubs of 2012. They might trade Matt Garza this spring—or as late the trade deadline—or they might give him a long-term contract extension. They might, in a perfect world, scratch and claw their way over.500 and contend for the championship in what looks like a bad division. They might lose 100 games. Starlin Castro is the one seeming anchor of the rebuilding plan that the Cubs engaged at the outset of the offseason.