<http://schema.org/alternativeHeadline>
"NFL Week 15 predictions: Johnny Manziel's first NFL start, Lions on upset alert and more debates"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/nfl/2014/12/12/johnny-manziel-nfl-week-15-predictions-steelers-seahawks-vikings>