Chelsea came from a goal down to shock the runaway Premier League leaders 2-1 at the Etihad stadium.
Pep Guardiola’s side can win the league title on Sunday if Manchester United lose to Liverpool.
The Manchester United boss said he disagreed with players who had switched between the fierce rivals over the years.
The City boss said that with the current prices, it was impossible to buy a new striker anytime soon.
There are instances where teams compete in two matches or do not play a fixture, with domestic cup games one of the determining factors.
It is important to take decisions that make a crucial difference in the points tally, with taking full advantage of differentials vital.
The selection of expensive players will more often than not force the manager to invest in effective additions.