NFL Free Agency 2011 Full of Potential Surprises

Whenever someone talks about NFL free agency, they talk about who will sign Vincent Jackson, who will take a chance on Randy Moss or who will look to snag DeAngelo Williams.

But hardly anyone ever addresses the potential surprises, the under-the-radar guys who could wind up being just as important—or more instrumental—to a team's success than some of the huge names out there.

Football is obviously a team sport, and sometimes the smaller moves pay bigger dividends.

Here are 15 sleeper free agents who offer the most value.

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Bleacher Report - New Orleans Saints