<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Sports_News/2012/03/04/NHL-Pittsburgh-5-Colorado-1/77701330838486/>
<http://www.upi.com/Sports_News/2012/03/04/NHL-Pittsburgh-5-Colorado-1/UPI-77701330838486/?rel=11471331097681>