Ryan Giggs believes Jack Grealish would be a shrewd acquisition for Manchester United, but insists his old side need "three or four players" to compete with Manchester City.
Though United beat their local rivals home and away in the Premier League this season, City are 14 points above them in the table with a game in hand.
And there can be no doubt the back-to-back champions have dominated the rivalry since Sir Alex Ferguson's retirement in 2013.
However, the balance may be shifted by United boss Ole Gunnar Solskjaer's rebuilding of United's squad since his appointment last year.
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