Team needs: Arizona Cardinals

Perhaps the most overlooked won-loss stat of the 2011 season was Arizona’s 7-2 record in the final nine games. The Cardinals’ defense stiffened, allowing an average of just 18.3 points per contest. Ken Whisenhunt still must fix his offense, though, and Arizona’s problems begin up front. Offensive line: Quarterback Kevin Kolb senses pressure that isn’t there,…