WHAT A pity that Sutton United’s night to remember was slightly tarnished by the behaviour of a few people who have probably never set foot inside Gander Green Lane before. Attention-seeking arrivistes hanging on the crossbar (which would cost the club significantly if it were to break), throwing punches and probably attempting to goad Arsenal fans, are the type of people who denied some genuine football folk around Sutton the chance to see a memorable match. It is doubtful if Arsenal fans were out to cause a disturbance, they are not a club that generally has a lunatic fringe, but whenever a big clubs rolls into town, the unsavoury element turns up and tries to show the visiting supporters that, “this is our manor,…