It’s fair to say that if you were writing a manual on how to qualify for an FA Cup semi-final, how Chelsea did it yesterday would not be the number one route. However, those who travelled to Stamford Bridge could not complain that they had not been treated to some entertaining action. They notably got a first person viewing of the brilliant Cole Palmer, who added another goal and assist to his stats for the season. Still bearing in mind that as it is his first real season as a first team player, it remains incredible the achievement he has already done. It could even have been two goals on the…