I think Griffin should be used on a need be basis. If Cousins comes in and plays well against the Browns, allow him to keep playing so RGIII can properly heal. If Cousins starts stinkin up the joint thoguh, he needs to be pulled.
A good thing is that the remaining teams arent all that good, but Cleveland actually worries me the most. If they don't get to Weeden, Josh Gordon is going to have a field day and Richardson gives them good balance. If they can get past Cleveland, I feel good about a10-6 record because the Eagles are a mess and Dallas can't score without Des Bryant(who may be out with his hand injury).