<http://schema.org/alternativeHeadline>
"Felix Hernandez and Yu Darvish clash in early duel of Cy Young contenders"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/mlb/strike-zone/2014/04/17/felix-hernandez-yu-darvish-duel-seattle-mariners-texas-rangers>