Edwards suffered another concussion in 2009 and missed several games .
Buffalo Bills QB Trent Edwards suffers a concussion after getting hit by strong safety Adrian Wilson ( 24 ) of the Arizona Cardinals during the first half on Oct. 5 , 2008 at Stadium in Glendale , Arizona .
QB suffered another concussion in 2009 and missed several games .
Buffalo Bills QB Trent Edwards suffers a concussion after getting hit by strong safety Adrian Wilson ( 24 ) of the Arizona Cardinals during the first half on Oct. 5 , 2008 at Stadium in Glendale , Arizona .