A number of free agents were non-tendered yesterday, meaning that they will definitely be available to sign with any team this off-season, and the type-A free agents will no longer cost a high-round draft pick to sign. Free agents offered arbitration have until December 7 to accept the offer, and the deadline for teams to offer contracts to non-free agents who are eligible for arbitration is December 12.Here's a look at a few non-tendered free agents who might have interest for the Nationals:Placido PolancoFor a team looking to upgrade it's middle infield defense, Polanco suddenly becomes one of the best options out there (assuming that the team isn't so locked into the Guzman-to-second idea that they can't consider better alternatives). He's been one of the most consistently excellent...

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