<http://schema.org/keywords>
"2014 nfl combine 2014 nfl draft 2014 nfl scouting combine Bradley Roby combine johnny manziel michael sam nfl nfl draft nfl draft 2014 nfl scouting combine"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/nfl/audibles/2014/02/20/2014-combine-questions>