It would be fair to say that Newcastle United have not improved since last season. Indeed, even the most optimistic Newcastle fan would surely admit that this season has offered something of a reality check. Rotten luck on the injury front clearly hasn’t helped matters but not many of last summer’s signings have worked out just yet. While Newcastle could hardly have planned for Sandro Tonali’s ban from football and a freakish injury sustained by Harvey Barnes, such unfortunate events have meant that the club haven’t been able to build on last season. Lewis Hall, meanwhile, is not yet deemed de…