Super Bowl 2013: San Francisco 49ers' furious comeback falls short in 34-31 loss to Baltimore Ravens – The Mercury News
49ers boast one of best linebacking corps around - The San Diego Union-Tribune
Game Release: Ravens at Steelers by Baltimore Ravens - Issuu
Ray Lewis coverage through the years – Sun Sentinel
Ravens FB Leach on collision course to stardom - The San Diego Union-Tribune
Super Bowl XLVII - Wikipedia
Patrick Willis' intensity fuels the San Francisco 49ers' success – The Mercury News
2013 Super Bowl: The best photos
Patrick Willis - Wikipedia
Super Bowl 47 injury reports: 49ers, Ravens locked and loaded - Niners Nation
Purple Rewind: The 2000 Baltimore Ravens