<http://schema.org/thumbnailUrl>
<http://www.providencejournal.com/apps/pbcsi.dll/bilde?Site=PJ&amp;Date=20131208&amp;Category=SPORTS&amp;ArtNo=312089925&amp;Ref=AR>
<http://www.providencejournal.com/sports/patriots/content/20131208-nfl-s-emphasis-on-headshots-seemingly-encouraging-targeting-of-knees.ece>