Suffered a head injury in Week 16. (Photo by Nick Laham/Getty Images)
Suffered a head injury in Week 16. (Photo by Scott Boehm/Getty Images)
Suffered a head injury in Week 16. (Photo by Rick Stewart/Getty Images)
Suffered a head injury in Week 16. (Photo by Scott Halleran/Getty Images)
Suffered a head injury in Week 16. (Photo by Otto Greule Jr/Getty Images)
Suffered a concussion in Week 16. (Photo by Stephen Dunn/Getty Images)
Suffered a concussion in Week 16. (Photo by Christian Petersen/Getty Images)
Suffered a concussion in Week 16. (Photo by Jim McIsaac/Getty Images)
Suffered a concussion in Week 16. (Photo by Jonathan Daniel/Getty Images)
Suffered a concussion in Week 16. (Photo by Scott Boehm/Getty Images)
Langston Walker suffered a concussion Week 15 of the NFL season. (Photo by Ezra Shaw/Getty Images)
Louis Delmas was setback with a concussion Week 15. (Photo by J. Meric/Getty Images)
Jason Avant suffered a concussion in the Eagles thrilling come from behind victory against the New York Giants. (Photo by Jim McIsaac/Getty Images)
Jamarca Sanford experienced a concussion Week 15. (Photo by Nick Laham/Getty Images)
Madieu Williams suffered a concussion during the frigid Week 15 Monday night game with the Chicago Bears. (Photo by Nick Laham/Getty Images)
Brett Favre was knocked out of Week 15’s game with a concussion. (Photo by Matthew Stockman/Getty Images)
Gerald Sensabaugh suffered a concussion win Week 15. (Photo by Jim McIsaac/Getty Images)
Reed Doughty suffered a head injury in Week 15. (Photo by Larry French/Getty Images)
David Reed took a hard hit and endured a concussion in Week 15. (Photo by Larry French/Getty Images)
Suffered a concussion in week 14. (Photo by Leon Halip/Getty Images)
Roby had to be taken off the field in a stretcher after suffering a head injury in Week 14. (Photo by Chris Graythen/Getty Images)
Suffered a concussion in Week 14. (Photo by Joe Robbins/Getty Images)
Brace suffered a concussion in Week 14 against the Chicago Bears. (Photo by Jim Rogash/Getty Images)
Haye suffered a concussion in Week 14. (Photo by Grant Halverson/Getty Images)
Suffered a concussion in Week 14. (Photo by Justin Edmonds/Getty Images)
Suffered a head injury in Week 14. (Photo by Chris Graythen/Getty Images)
Wire suffered a head injury in Week 14. (Photo by Al Messerschmidt/Getty Images)
Suffered a concussion in Week 13. (Photo by Larry French/Getty Images)
Suffered a head injury in Week 13. (Photo by Jamie Squire/Getty Images)
Suffered a head injury in Week 13. (Photo by Joe Robbins/Getty Images)
Suffered a head injury in Week 13 (Photo by Thearon W. Henderson/Getty Images)
Suffered a concussion in Week 13. (Photo by Donald Miralle/Getty Images)
Suffered a concussion in Week 13. (Photo by Ronald Martinez/Getty Images)
Suffered a concussion in Week 13. (Photo by Harry How/Getty Images)
Cutera suffered a head injury in Week 12. (Photo by Sam Greenwood/Getty Images)
Greg Lewis suffered a concussion in week 12. (Photo by Ezra Shaw/Getty Images)
David Baas suffered a concussion in week 12. (Photo by Streeter Lecka/Getty Images)
Suffered a concussion in Week 12. (Photo by Scott Boehm/Getty Images)
Dawan Landry suffered a concussion in Week 12. (Photo by Elsa/Getty Images)
Suffered a head injury in Week 11. (Photo by Rick Stewart/Getty Images)
Suffered a head injury in Week 11. (Photo by Doug Pensinger/Getty Images)
Suffered a head injury in Week 11. (Photo by Ronald Martinez/Getty Images)
Suffered a concussion in Week 11. (Photo by Jared Wickerham/Getty Images)
Suffered a concussion in Week 11. (Photo by Joe Murphy/Getty Images)
D.J. Williams was suspended for violating the NFL’s performance enhancing substance policy. (Photo by Justin Edmonds/Getty Images)
Suffered a concussion in Week 11. (Photo by Rick Stewart/Getty Images)
Suffered a head injury in Week 11. (Photo by Streeter Lecka/Getty Images)
Suffered a head injury in Week 10 (Photo by Christian Petersen/Getty Images)
Suffered a head injury in Week 10 (Photo by Kevin C. Cox/Getty Images)
Suffered concussion in Week 10. (Photo by Streeter Lecka/Getty Images)
Suffered a concussion in Week 10. (Photo by Mary Ann Chastain/Getty Images)
Suffered a head injury in Week 10. (Photo by Al Messerschmidt/Getty Images)
Suffered concussion in Week 10 (Photo by Al Pereira/Getty Images)
Suffered a concussion in Week 10. (Photo by Jared Wickerham/Getty Images)
Suffered a concussion in Week 9. (Photo by Streeter Lecka/Getty Images)
Suffered a concussion in Week 9. (Photo by Jim Luzzi/Getty Images)
Suffered a concussion in Week 9. (Photo by Mary Ann Chastain/Getty Images)
Suffered a concussion in Week 9. (Photo by Al Messerschmidt/Getty Images)
Suffered at concussion in Week 9. (Photo by Matthew Sharpe/Getty Images)
Suffered a concussion in Week 9. (Photo by Ronald Martinez/Getty Images)
Suffered head injury in Week 9. (Photo by Wesley Hitt/Getty Images)
D.J. Moore suffered a head injury in Week 9. (Photo by Scott Boehm/Getty Images)
Suffered a concussion in Week 8. (Photo by Chris Graythen/Getty Images)
Suffered a head injury in Week 8. (Photo by Ezra Shaw/Getty Images)
Sustained a concussion in Week 7. (Photo by Doug Pensinger/Getty Images)
Suffered a concussion in Week 7. (Photo by Jonathan Daniel/Getty Images)
Suffered a concussion in Week 7. (Photo by Ezra Shaw/Getty Images)
Suffered a head injury in Week 6. (Photo by George Gojkovich/Getty Images)
Suffered a concussion in Week 6. (Photo by Drew Hallowell/Getty Images)
Suffered a head injury in Week 6. Did not practice in Week 7. (Photo by Al Messerschmidt/Getty Images)
Garrard suffered a concussion in Week 6. Missed Week 7. (Photo by Al Messerschmidt/Getty Images)
Suffered a head injury in Week 6. (Photo by Win McNamee/Getty Images)
Suffered a concussion in Week 6. (Photo by Al Bello/Getty Images)
Suffered a concussion in Week 6. (Photo by Thearon W. Henderson/Getty Images)
Suffered a concussion in Week 6. (Photo by Tom Dahlin/Getty Images)
Suffered concussion Week 5. Played in Week 6. (Photo by Scott Boehm/Getty Images)
Suffered concussion in Week 5. Listed as questionable in Week 6. (Photo by Scott Boehm/Getty Images)
Suffered concussion in Week 5. Listed as questionable in Week 6. (Photo by Doug Pensinger/Getty Images)
Former Rams offensive lineman Jacob Bell during a break in game action. (Photo by G. Newman Lowrance/Getty Images)
Suffered head injury Week 4. Missed Week 5 (Photo by Chris McGrath/Getty Images)
Suffered concussion in Week 3. Listed as questionable in Week 4, out Week 5. (Photo by Elsa/Getty Images)
Suffered concussion in Week 4. Out Week 5. Questionable in Week 6. (Photo by Tim Umphrey/Getty Images)
Suffered a concussion in Week 4. Missed Week 5. (Photo by Drew Hallowell/Getty Images)
Suffered concussion in Week 4. Listed as questionable in Week 5. (Photo by Tom Dahlin/Getty Images)
Suffered concussion in Week 3. Listed as probable in Week 4. (Photo by Scott Boehm/Getty Images)
Suffered a head injury in Week 3. Listed as questionable in Week 4. (Photo by Larry French/Getty Images)
