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Considering the instructor started the conversation with "Is Collin concussed?", he was just relaying what schools do for concussions these days. He then went on about some of the humorous stuff doctors would do for concussed players back in the mid-20th century.
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Such lightheartedness suggests a lack of credibility in my book.
Even so, I think BITB Bill is just getting his rocks off in his late age by effing with the media.