**FILE** Philadelphia Eagles quarterback Kevin Kolb (left) is sacked by Green Bay Packers linebacker Clay Matthews in the first half the Packers' 27-20 win in Philadelphia on Sept. 12, 2010. Kolb sustained a concussion on the hit. (Associated Press)

Photo by: Matt Slocum

**FILE** Philadelphia Eagles quarterback Kevin Kolb (left) is sacked by Green Bay Packers linebacker Clay Matthews in the first half the Packers' 27-20 win in Philadelphia on Sept. 12, 2010. Kolb sustained a concussion on the hit. (Associated Press)