What a week it’s been. The past three or four days have just summed up the black and white nature of life as a Newcastle United supporter. My last preview – which looked ahead to our home clash with City – saw me struggling for positives and fearing a hammering, yet a few days later and not only did we come from behind to beat the champions, we smashed our 14-year old club transfer record after signing Almiron – Rafa’s…