Vikings' Ponder Limited In Practice
And that means that they have already determined that quarterback Christian Ponder is limited in practice because of a rib injury. Coach Leslie Frazier made the announcement on Wednesday and Ponder confirmed that he was injured early in last weeks loss to the Browns. Ponder was able to finish that game and threw the ball during the walkthrough portion of practice, but admitted that hes worried about contact because of the injury and left open the possibility that Matt Cassel could be the Vikings man on the other side of the pond.
Source: Josh Alper, Pro Football Talk