By Euan Burns Newcastle will have a tough time resurrecting their flailing form when Premier League champions Manchester City visit St James’ Park on Saturday night. The Magpies could find themselves as low as tenth by the end of the weekend as Chelsea have the opportunity to move above them, with their chances of making the top four getting more and more unlikely. Naturally, the injuries manager Eddie Howe has had to deal with are a major factor in their poor form, as well as coping with the Champions League group stage before their exit from Europe. Some confidence can be taken from the FA C…