Twenty years on the top flight has turned many former big hitters into small-town clubsEvery time the hype and anticipation surrounding Spain's El Clásico series of grudge matches starts up in earnest, as it did last week for Barcelona's 2–1 Copa del Rey defeat of Real Madrid, it is remarked rather smugly in this country that at least the Premier League can boast more than two teams capable of winning the title.That is still just about true, though by common consent – Roberto Mancini, Sir Alex Ferguson, André Villas-Boas and a few others – the number presently stands at three. Viz, the two Manchester sides and Tottenham Hotspur, and even that...