LONDON — It is never easy to put history into context just as it’s being made, so it may be many more years before the real magnitude of Manchester City’s domestic Treble can be properly judged. But by inflicting a 6-0 defeat on Watford in the FA Cup final on Saturday, Pep Guardiola’s City achieved what no men’s club has done before by winning the Premier League, FA Cup and Carabao Cup in the same season. However you feel about it, their place in history is certainly assured.
Saturday’s Cup…