Branch is very familiar of the Patriots and how they operate in that locker room. I am sure that the Colts coaching staff will be picking his brain a bit to get any insight that they can from him. Branch had spent two stints with the Patriots and has won a couple of Super Bowls with them.
I am not sure if Branch can even run right now. He has spent the whole season in the unemployment line and now he has been signed to the Colts, 5 days before they face the Patriots.
They might as well sign Randy Moss and Chad Johnson right now also. Just to show that they are messing with the Patriots. Branch will likely sit the sideline for hte game, but I love the head games that they are playing.