Big win to Man City against Man Utd.

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Manchester registered a huge visctory of 4-1 against Manchester United. In contrast to the despair of his opposite number, it was a day of delight for new City boss Manuel Pellegrini as he watched the rampant Blues make a powerful statement about their Premier League ambitions.

Sergio Aguero and Yaya Toure gave City a commanding half-time lead and any slim hopes of a United recovery were snuffed out by further goals from Aguero and Samir Nasri within five minutes of the restart.

'Important' derby win delights Pellegrini Wayne Rooney's late free-kick offered nothing in the way of consolation for Moyes or United on a day of embarrassment that will sit uncomfortably alongside City's 6-1 win at Old Trafford two seasons ago.

United may have been without Robin van Persie because of a groin strain but the absence of one player - no matter how significant - cannot account for the manner in which Moyes' side were utterly outclassed.

This was arguably a more emphatic win than that Old Trafford thrashing, without the freakish element and simply the result of City's vast superiority in all areas.

Moyes, who never won a derby at Liverpool in 11 years as Everton manager, did not find the Etihad any more forgiving as City picked United apart in midfield, where Toure looked in a different class to United's £27.5m new boy Marouane Fellaini, and in defence as Aguero tormented Nemanja Vidic and Rio Ferdinand.

Pellegrini insisted this was a game City had to win - this they did and with the sort of performance that put down a marker for how the Chilean wants his team to play.

For Moyes, it means he has emerged without a win from the three toughest games of his opening Premier League phase as United manager, drawing at home to Chelsea and losing at Liverpool and now City.