Six teams in free-agency danger

The New Orleans Saints likely will lose both guard Carl Nicks and wideout Marques Colston. US Presswire

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Top 50 free agents | Best fits for top FAs | Riskiest FAs | Best values | Five teams for Mario Williams | Vincent Jackson | Six teams in danger in FA

Free agency is almost here in the NFL, and during the next few weeks we will see a flurry of activity, as players either change teams or re-sign with their current squads. Managing the salary cap is a major challenge for every team -- it went up barely a quarter of a million dollars for 2012 -- and some teams will enter free agency with very little money to spend. However, the teams that will be hit the hardest are the ones with multiple key free agents hitting the market whom they can't afford to re-sign.

Let's look at six teams that could really be hit hard in free agency in 2012:

1. New Orleans Saints