<http://schema.org/keywords>
"kelly johnson red sox Mookie Betts kelly johnson dl kelly johnson activated mookie betts triple a mookie betts aaa mookie betts demoted mookie betts sent down"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/mlb/2014/08/07/red-sox-activate-kelly-johnson-option-rookie-mookie-betts-triple>