jack wilshere has been linked with a move to manchester city this summer .
wilshere has not played a first-team game for arsenal since november 22 .
a host of arsenal players have defected to man city in the past .
samir nasri , gael clichy and bacary sagna have all moved to the etihad .
read : arsenal would be foolish to dismiss £ 30m or more for wilshere .