Manchester United beat Manchester City 4-2 at Old Trafford on Sunday . Alex Ferguson praised United 's recent performances against big clubs . He said 'that was a proper performance they 've put in out there today ' Niall Quinn said it was United 's best performance since Sir Gary Neville .
Manchester United beat Manchester City 4-2 at Old Trafford on Sunday . Gary Neville praised United 's recent performances against big clubs . He said 'that was a proper performance they 've put in out there today ' Niall Quinn said it was United 's best performance since Sir Alex Ferguson .