<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/glavine-maddox-thomas-mugsjpg-2d3fb190a89d85dc.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2013/12/former_auburn_birmingham_baron.html>