Opening Day is next week, but baseball fans better start making room in their stomachs now ... 'cause TMZ Sports got an inside look at menus from several teams across MLB -- and they'll have a root-root-rooting for the home team!! The Cubs, Diamondbacks, Dodgers, Marlins, Nationals, Orioles, Rays and White Sox revealed some of the specialty menu items from Levy Restaurants that will be available when the first pitch is thrown. For those in the DMV hoping to catch a Nationals game, the DC