WATCH: Ex-NHL star Keith Primeau discusses Boogaard's condition

Former NHL player Keith Primeau discusses the effects fighting may have had on the brain of late NHL enforcer Derek Boogaard.
Former NHL player Keith Primeau discusses the effects fighting may have had on the brain of late NHL enforcer Derek Boogaard 5:05

Former NHL player Keith Primeau discusses the effects fighting may have had on the brain of late NHL enforcer Derek Boogaard