The big deal: What have Cardinals added with all of this subtraction?

The Cardinals' winter of accumulation climaxed with the trade many months in the making: They moved All-Star utility fielder Brendan Donovan in a three-team trade to Seattle and received a windfall that included two of the Mariners' top-10 prospects and two draft picks, one each from the Mariners and Tampa Bay Rays. So, it's time to take stock. What did all of this subtraction actually add to the Cardinals? Back from