straight to your inboxFormer Manchester City defender Richard Dunne believes the signing of Lionel Messi could have a similar effect on the club as the arrival of Robinho in 2008.Dunne was City captain when Sheikh Mansour bought the Blues and has recalled the difference made overnight as world-class players started to arrive.The signing of Robinho was a turning point in City’s history and Dunne thinks Messi’s arrival could have a similar effect.“It was brilliant,” Dunne told Sky Sports.