<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Sports_News/2012/09/09/NFL-Arizona-20-Seattle-16/83681347237333/>
<http://www.upi.com/Sports_News/2012/09/09/NFL-Arizona-20-Seattle-16/UPI-83681347237333/?rel=63321348547987>