<http://schema.org/keywords>
"new york yankees dustin ackley injury dustin ackley dl dustin ackley yankees caleb cotham yankees caleb cotham called up yankees injuries players on dl"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/mlb/2015/08/04/new-york-yankees-dustin-ackley-dl-caleb-cotham-recalled>