As part of a reshuffle, a Man United supremo is set to join one of the most influential boards in football in place of on a long-standing Arsenal chief. There has been a number of changes behind the scenes at the Emirates in recent years, perhaps the most significant of which has been Josh Kroenke’s move into a more senior position. Josh Kroenke is co-chair of Arsenal alongside his father Stan Kroenke, but there is no doubt which of the pair is exercising more influence on a day-to-day basis. The junior Kroenke has certainly become the public face of the club’s executive branch, commenting mat…