San Francisco 49ers defensive tackle (94) Justin Smith in action during a game played at Candlestick Park in San Francisco on Sunday, September 8, 2013.
San Francisco 49ers defensive tackle (94) Justin Smith in action during a game played at Candlestick Park in San Francisco on Sunday, September 8, 2013. John Cordes AP
San Francisco 49ers defensive tackle (94) Justin Smith in action during a game played at Candlestick Park in San Francisco on Sunday, September 8, 2013. John Cordes AP