Niners defensive tackle Justin Smith retires
Justin Smith injury update: Schefter reports 49ers DE will not play - Niners Nation
49ers sign Justin Smith to 2-year extension, Sports
Breaking Down San Francisco 49ers' Best Replacement Options for Justin Smith, News, Scores, Highlights, Stats, and Rumors
Justin Smith, 49ers agree to 2-year extension - Sports Illustrated
San Francisco 49ers DL Justin Smith retiring - Sports Illustrated
San Francisco, California, USA. 18th Sep, 2011. San Francisco 49ers defensive end Justin Smith (94) on Sunday, September 18, 2011 at Candlestick Park, San Francisco, California. Cowboys defeated the 49ers in overtime
49ers: Justin Smith's cash crop superhuman strength
49ers' Justin Smith decides to retire – The Mercury News
Justin Smith contract extension a boon for Aldon Smith, 49ers - Sports Illustrated