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We'll begin with the secondary.
The secondary is a tricky situation in the sense that they were burdened with injuries nearly all season long, with the backups didn’t exactly setting the world on fire.
Starter Cedric Griffin is set to return in full health this year, but two ACL injuries simply make the guy compromised and risky.
Chris Cook is an admirable player, and could compete for a starting job this season, but needs to be better than average to be effective.
Frank Walker and Lito Sheppard are not the guys the Vikings hoped they be, and the depth chart is shaky, but interestingly capable.
For a defense that is as aggressive as the Vikings are, the secondary is crucial in a variety of ways.
They need the corners to be far better than average in man-to-man situations created by the various blitz packages the Vikings run.
The safeties need to do a far better job at playing a supporting role than they did in 2010, lest experience another year of embarrassment.
And the position is already dangerously thin.
Husain Abdullah didn’t do all that bad of a job, but he’ll need to be better in 2011 while Jamarca Sanford showed signs of promise late in the season..
But Madieu Williams was just downright horrible and will need to vastly improve this season to be effective in the Vikings journey towards the postseason.