<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Sports_News/2012/09/14/Carlson-signs-new-contract-with-Capitals/17031347640012/>
<http://www.upi.com/Sports_News/2012/09/14/Carlson-signs-new-contract-with-Capitals/UPI-17031347640012/>