Having won four out of five titles since the start of the Premier League, Manchester United and Alex Ferguson seem unstoppable. In London, Arsenal have barely had a look-in, but vice chairman David Dein has been busy plotting. He introduces an unknown bespectacled Frenchman to the waiting press at Highbury and announces that he is Arsenal’s new manager. Arsene Wenger looks more like a history teacher than a football manager, and the players have never heard of him. Yet Wenger is about to have a huge impact, not just on the Premier League but on English football, by introducing modern coaching techniques as well as lifestyle and dietary improvements.