Cesc Fabregas was once again wonderful in the centre of the park .
Robin van Persie will quite rightly take the plaudits for a well - taken hat - trick , but centre was the performance of the ever - improving Alex Song which also caught the eye .
Cesc Fabregas was once again wonderful in the centre of the park and Robin van Persie will quite rightly take the plaudits for a well - taken hat - trick , but it was the performance of the ever - improving Alex Song which also caught the eye .