Newcastle United have not only started a new season, they’ve entered into something of a new era. Despite a distinct lack of big-name new signings, there has indeed been a fair amount of change at Newcastle this summer. Indeed, Paul Mitchell has come in as sporting director, with James Bunce joining as performance director. Amanda Staveley and Mehrdad Ghodoussi have also left St James’ Park, in news that is thought to have hit head coach Eddie Howe particularly hard. In fact, some of the first-team squad were said to have been bewildered by their exits. Staveley and Ghodoussi were both the pub…