England v Scotland is the oldest rivalry in international football, with the two nations playing the first officially recognized international match ever as early as 1872.Only an estimated 4,000 people took part in the game, which was held on a cricket ground near Glasgow, but international football, as far as we know, was born at that moment.Both nations have produced countless incredible players over the next 150 years.Here is a look at an England and Scotland combined XI through the ages ...Gordon Banks / Getty Images /…