It has been reported that Manchester City internally believe that it would be more of a surprise if one of their players stayed instead of leaving the club this summer. On the surface, not many players would even have a valid reason of leaving a club like City — playing at one of the biggest and best-run clubs in the world and under a manager of Pep Guardiola’s calibre. Rarely do players get the level of stability one does at the Etihad Stadium — winning trophies season after season while having the chance to constantly improve. But several players have been linked with exits from Manchester C…