This is from the official injury report distributed by the NFL, there are some teams on byes.
Players listed with injury of concussion or head that are probable;
- Jason Trusnik, LB, CLE
- Zack Follett, LB, DET
- Craig Dahl, S, STL
- Mario Manningham, WR, NYG
Players listed with injury of concussion or head that are questionable or worse;
- Corey Redding, DE, BAL
- Clifton Ryan, DT, STL
- Anthony Bryant, DT, WAS
The Concussion Blog 