There's been a wave of shock and befuddlement across the baseball world in reaction to the Nationals signing of Ivan Rodriguez.Everyone from a local Washington Post columnist to the ESPN shouting heads to the local blogger dudes to the stat-heads to Jim Bowden himself say it's the dumbest effing thing they've ever heard.That's the rare five-game sweep of disapproval. The argument goes like this: why on earth is a rebuilding team signing a 38-year-old back-up catcher? The Nationals need to go young! And they overpaid. Two years and $6 million is far too much for a washed up catcher.I'm now in the heretofore unknown position of being the last remaining defender of a Nationals personnel move. Woah, lemme get my bearings.OK, now I'm ready to respond. First, the Nationals need another...

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