Football players are an important element in the social and cultural force of football, both on and off the pitch. They are role models for the younger generation of fans. They visit local schools, and help to promote community relations. Sometimes they can even find themselves as social and political ambassadors at the centre of international disputes.

Take the case of Bert Trautmann, the German goalkeeper who joined Manchester City just after the Second World War, in 1949. The signing provoked a hostile reaction. Many supporters were appalled that the club would even consider signing a German. But Trautmann impressed in his first few games and the fans soon warmed to him.

He went on to make more than 500 appearances for the club, including a memorable performance in the 1956 FA Cup final, when he famously broke his neck and played on. Trautmann became something of a folk hero in Manchester; his testimonial drew a crowd of more than 60,000 people. There is no doubt that his presence in an English club helped foster better relations between Britain and Germany in the difficult post-war years.

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