. >> are you sort of looking for -- >> reporter: today he is showing me around the matthew b. feller sports spectacular. it's a hands-on clinic devoted to teaching parents, players, and coaches how to prevent head injuries. the event is named after this 15-year-old winston-salem high school sophomore. >> i mean, he was an eagle scout. he was an actor. >> reporter: his biggest passion was football. >> we go to see notre dame play army, i think it was, and we're right by the tunnel, and he looks at me and says, dad, are you going to see me run out of the tunnel? >> reporter: friday night, august 22nd, 2008, it was matthew's first varsity game for the r.j. reynolds demons with just minutes left in the fourth quarter matthew was hit. he doesn't get up. >> he couldn't breathe. he was struggling to breathe. his pupils were totally dilated. no reaction. no movement. >> he died early sunday morning. you come back to your house without your child. it's just -- >> just unbelievable. >> i'm going to ask that when you leave this field today that you never again use the word ding or bell ringer.