Concussion Cases News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> thank you for talking to us, j.d. hill. ed lavandera, one more question for you, how is the knuffle nfl responding -- ed is gone. we'll get his statement in a bit. ed, what's the nfl saying about this? >> reporter: we reached out to the nfl yesterday. we have not heard. they said they had not had a chance to receive it. their lawyers would review the case. remember, this is also another lawsuit. they're still dealing with the concussion lawsuit, $765 million settlement in that case that was rejected by the judge in that case. not only is this added to on top of the big lawsuit they're deali...

Quarterback jim mcmann recently learned he suffered a broken neck during his career and nobody told him about it. he also had a broken ankle and was told it was just a sprain. how does the nfl repair its image after these kind of allegations? >> well, it's going to be hard, because the nfl has become a very attractive target for attacks regarding player safety. we had the concussion cases going, and now we have this allegation of leaguewide misconduct with respect to meds and injury. so it's going to be hard for them to repair their reputation. but they've got to fight it. so it's going to be ...

Better. some players get along fine for decades, but some suffer. and that looms over the game and that's the last head bangers. >> clayton: take me through the book "the last headbangers" and the tolls in the '70s, a great case study. >> it was more violent. hits were allowed that would get you suspended forever today. one thing i believe will be the next step in sports medicine how to find out why some of us are so vulnerable to concussion and some seem to bounce right back. once we figure that out. a way to prevent them. >> clayton: 4,000 retired nfl players are currently plaintiffs in diff...