By Jamie Spencer Manchester City have a big year ahead ahead of them. Prior to last season, no club had ever won four English league titles in a row. City ticked that one off in May by finishing two points clear of Arsenal, but now the chance to make it five on the spin is in front of Pep Guardiola and his squad of serial champions. Then, there is the target of getting back on top in Europe following last season’s Champions League quarter-final exit and going all the way in the FA Cup and EFL Cup again. One thing that has still never been done by any English club is the ‘Quadruple’…and proba…