According to Wiki (and I know for a fact they do get some things wrong):
"Principal photography took place in London and around Britain from November 2009 to January 2010. The opening scenes were filmed at Elland Road, Leeds and Odsal Stadium, Bradford, both locations standing in for the old Wembley Stadium."
"Principal photography took place in London and around Britain from November 2009 to January 2010. The opening scenes were filmed at Elland Road, Leeds and Odsal Stadium, Bradford, both locations standing in for the old Wembley Stadium."

