'I haven't seen a whole lot of guys quit'
NEW ORLEANS -- San Francisco 49ers defensive lineman Justin Smith tends to shy from the media spotlight. He had no choice during Super Bowl week.I thought Smith exceeded expectations in that setting. He was at times thoughtful, funny and revealing. A sampling:On player safety and risks"I think it teaches a young kid in high school or middle school discipline, toughness, accountability, work ethic. I think there is too much to be had from the game to worry about this and that.