Article Photos: Ravens left with only walk-through before Sunday 3/4

Baltimore Ravens running back Ray Rice, bottom right, and offensive lineman Marshal Yanda, top right, warm up during an NFL Super Bowl XLVII practice on Friday, Feb. 1, 2013, in Metairie, La. The Ravens face the San Francisco 49ers in Super Bowl XLVII on Sunday, Feb. 3. (AP Photo/Patrick Semansky)