Manchester City out-classed their closest rivals at Old Trafford last night. City went ahead in the first minute thanks to a close-range strike from Bosnian striker Edin Dzeko.
Dzeko volleyed in the second from a corner after the break and midfielder Yaya Toure grabbed the third late on.
Wayne Rooney is demanding an improvement following United's hammering at the hands of City.
David Moyes has hit back at Manuel Pellegrini's claim that Manchester United's glory days are a thing of the past.