21.   United has a superior goal difference.

22.   A draw will not suffice as Dortmund have a far superior goal difference.

23.   A point for Derby keeps them second from bottom, level on points with League Cup winners Blackburn Rovers who have a superior goal difference.

24.   But the Tractor Boys superior goal difference would then kick in, ensuring that Ipswich, fifth last season, stayed in the Premiership.

25.   The two sides would then be level on points but the Madrid outfit has a greatly superior goal difference.

26.   Valencia trail by just two points but Atletico, who have a superior goal difference, only need to avoid defeat.

27.   The Koreans, who enjoy a superior goal difference to the Dutch, will be comfortably placed if they defeat Germany.