http://assets.espn.go.com/i/tvlistings/tv_espn_original.gif en-us 10 ESPN Inc. http://espn.go.com/ Copyright 2010 ESPN Inc. ESPN The Magazine surveyed 300 players, 100 coaches, 100 parents and 100 trainers at high school football games nationwide, asking questions related to concussion safety. Bob Ley reports the telling statistics for "Outside the Lines."]]> December 17, 2010 10:23:00 PST