Youth football players leave the field after playing during halftime of a 2015 NFL preseason football game between the Buffalo Bills and Carolina Panthers in Orchard Park, N.Y., where a lawmaker has proposed banning tackle football. Youth football players leave the field after playing during halftime of a 2015 NFL preseason football game between the Buffalo Bills and Carolina Panthers in Orchard Park, N.Y., where a lawmaker has proposed banning tackle football.