After 3 concussions, Welker playing dangerous game.
How many are too many? Was one concussion enough to start the ticking time bomb in Wes Welker's brain? Were three? Or can the Denver Broncos wide receiver take a few more hits before he does irreversible damage that will rob him of his memory, set his moods swinging like a pendulum and make life after football a living hell for him and his loved ones?Read the article on USA TODAY