NFL changes return-to-play rules
NFL teams now have new, stricter instructions for when players should be allowed to return to games or practices after head injuries, guidelines that go into effect this week.
In the latest step by the league to address a hot-button issue, commissioner Roger Goodell sent a memo to the 32 clubs Wednesday saying a player who gets a concussion should not return to action on the same day if he shows certain signs or symptoms.
Those include an inability to remember assignments or plays, ...
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