Once a genius, always a genius. Few men would have spoken out in support of a team they had just seen on the wrong end of a 5-1 opening day hammering, let alone tip them for success. But Sir Alex Ferguson is no mere mortal. The legendary Manchester United boss did not dominate the Premier League landscape for 20 years by pointing out the obvious, and clearly the remarkable insight that made him perhaps the finest manager in football history has not deserted him, even a decade into retirement. Ferguson, when asked by Sky Sports back in August to name the one club he expected to go onto achieve …