Max Kellerman explains possible changes to NFL rules after several serious injuries during games.
http://cnn.com/video/data/2.0/video/us/2010/10/19/am.kellerman.nfl.hits.cnn.html



Max Kellerman explains possible changes to NFL rules after several serious injuries during games.
http://cnn.com/video/data/2.0/video/us/2010/10/19/am.kellerman.nfl.hits.cnn.html