General managers with shopping lists already are making calls to the Marlins and Royals (14 arbitration-eligible players) about possible trades. San Francisco, desperate for a proven bat, is expected to pursue one-dimensional second baseman Dan Uggla. The Giants also may kick the tires on first baseman Paul Konerko of the White Sox and Derrek Lee of the Cubs, both of whom have full no-trade clauses. They probably would have to deal a young pitcher—Jonathan Sanchez or Matt Cain. They're considered expendable because lefty Madison Bumgarner is climbing fast. …