There were indications late this week that Kevin Kolb could start this Sunday vs. the Browns. He supposedly increased his participation in practice on Thursday (despite all three days being labeled as "limited participant") and the team was optimistic that he would be able to do the same on Friday and be ready for Sunday.
However, reports on Saturday suggest that Kevin Kolb is out and John Skelton, who is 3-1 as a starter, will get the nod. Skelton led the Cardinals to a win over the 49ers last week after Kolb was re-injured.
Here is the full injury report for the Arizona Cardinals: