Manchester City manager Roberto Mancini believes the Blues have missed a trick by not strengthening their squad in the immediate aftermath of the Premier League title triumph.

The Blues head into Sunday's Community Shield showdown with Chelsea at Villa Park still to make their first signing of the summer. One transfer target, Eden Hazard, will be in the opposition ranks, whilst a second, Robin van Persie, looks to be bound for Manchester United.

Mancini is still hoping to secure the services of Daniel Agger and Daniele de Rossi before the new campaign begins against Southampton on August 19. However, the Italian said: "When you win something it is important to improve. But you should not buy new players 10 days from the end of the window. It should be two months."

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