Arguments over 'plastic fans' have raged for years in English football, but the condition may be more extensive than we ever thought.
Purists saw a problem way back in the 1970s, when the success of Leeds United led to the Yorkshire club's plain white shirts – and iconic yellow away tops - popping up all over, even in Lancashire.
But with an explosion of football on TV following the introduction of the Premier League in 1992, 'plastics' – people who support a team they have no obvious affinity with – have become a phenomenon.