GLENDALE, AZ - AUGUST 27: Quarterback Kevin Kolb #4 of the Arizona Cardinals prepares to snap the ball during the preseason NFL game against the San Diego Chargers at the University of Phoenix Stadium on August 27, 2011 in Glendale, Arizona. The Chargers defeated the Cardinals 34-31. (Photo by Christian Petersen/Getty Images)
The veteran Kolb, who lost his starting job to Skelton in the final week of the preseason, stepped in during Skelton's fourth quarter absence and led the Cardinals to a win by completing 6-of-8 passes for 66 yards and a touchdown pass to wide receiver Andre Roberts.
The Cardinals are 14-point underdogs in Sunday's game, so Kolb will have his work cut out for him.
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