Manchester City has been a revolving door ever since they became one of the richest clubs in the world after the Abu Dhabi takeover in 2008. After a slow start to the new regime, Manchester City quickly established themselves as one of the top teams in the Premier League and are now the dominant force thanks to the guidance of Pep Guardiola. Since Sheik Mansour bought City, the club has added eight Premier League titles, three FA Cups, six League Cups, the Champions League to complete a treble, the UEFA Super Cup and the Club World Cup to their trophy cabinet. The Blues’ rise has obviously bee…