The NHL has always been a sport that welcomes a good fisticuffs. However, the hockey league is slowly evolving away from the era of enforcers to more highly skilled players. We sit down with George Parros, former NHL player and now head of player safety for the league, to discuss. » Subscribe to USA TODAY Sports: https://bit.ly/2L0ktE1 » USA TODAY delivers current local and national news, sports, entertainment,  finance, technology, and more through award-winning journalism, photos, videos and VR. #NHL #hockey #fighting