20+ years in the NFL? There's no telling how much concussive brain damage he had.
There's going to come a time when they know more precisely how bad concussions are and when they do, don't be surprised if it's the end of football.
A couple that we are friends with, their son suffered one in high school ball last season, and he's not the same kid. It's not a developmental change either - it was definitely the concussion.
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