<http://schema.org/keywords>
"landon donovan mls major league soccer obafemi martins Robbie Keane nick hagglund pedro morales wil trapp"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/soccer/planet-futbol/2014/09/29/mls-best-xi-week-29-landon-donovan-robbie-keane-obafemi-martins>