Retired NFL Player Robert Griffith: Hits, Heat, Dehydration

Retired NFL player Robert Griffith says he never blacked out or had to leave a game due to concussion, but he made 1,300 tackles in his career in games alone and "a lot of hitting goes on ... "

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Posted on BrainLine September 4, 2013.

Produced by Noel Gunther and Erica Queen, BrainLine.