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Quarterback: Kevin Kolb had a few nice games early in the season, but if Arizona is going to keep him around then they need a quality backup. Kolb gets hurt too much and is making too much money.
John Skelton and Ryan Lindley have been awful this year. They have a lot of work to do before they can be considered starting-caliber quarterbacks.
Running Back: At the start of the year, the Cardinals were looking really good at the running back position. Beanie Wells and Ryan Williams both came into the year healthy and William Powell had a solid preseason.
The fact is that both Wells and Williams are not reliable. Arizona does not need a big name back, but a guy who is capable of carrying the ball 15 times a game without being hurt every week.
Left Tackle: It seems that every year we are begging the Cardinals to get help on the offensive line and it never happens. With a high pick this year, they need to find a guy to protect the quarterback.
Nate Potter and Bobby Massie have played fairly well as of late, but they should not be the two players starting at tackle next year. It is not as big of a need as it has been in years past, but if they are in a position to get a stud left tackle, they should jump at the opportunity.
Right Guard: Adam Snyder has been a liability at the right guard spot for most of this year. He has had a couple of solid games, but the consistency is lacking. With Lyle Sendlein and Daryn Colledge at center and left guard, respectively, an upgrade at right guard makes for a solid interior line.
Middle Linebacker: Arizona has, arguably, the best inside linebacker in the league right now in Daryl Washington. The only problem is that they run a 3-4 and need two of them. Paris Lenon is aging fast and has not been as good as we are used to seeing. An upgrade here is needed.
Cornerback: Similar to the middle linebacker position, the Cardinals have one very good player at corner, but need an upgrade on the other side. Patrick Peterson has been great for the team this year, but William Gay has left something to be desired. This is not a huge need for Arizona, but if they can upgrade middle linebacker and corner, their defense will easily be at elite status.