High School ATC's who work with collision sports stay vigilant. Remember we get paid to watch the athletes, not the game. Athletes (some coaches too) think it's macho to ignore head injuries & will hide it from you. Here is an interview from the NY Times with an ex-Gators linebacker. He's only a year older than me yet has paid all his life from injuries 30+ years ago. He talks about how much has changed from those days, but has it really?