**FILE** Trainers cart Carolina Panthers quarterback David Carr off the field after he sustained a first-quarter injury during the Panthers' 16-13 road victory against the New Orleans Saints on Oct. 7, 2007. (Associated Press)

Photo by: Ann Heisenfelt

**FILE** Trainers cart Carolina Panthers quarterback David Carr off the field after he sustained a first-quarter injury during the Panthers' 16-13 road victory against the New Orleans Saints on Oct. 7, 2007. (Associated Press)