Bernardo Silva, Ederson, Kyle Walker, Danilo and Benjamin Mendy have been added to Pep Guardiola’s squad, with City having spent more than a reported £200 million.

City are desperate for improvement on last season after failing to win a trophy, finishing third in the Premier League and making a last-16 Champions League exit.

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De Bruyne feels City needed to strengthen in the close-season, particularly after several departures – including the likes of Pablo Zabaleta, Aleksandar Kolarov and Gael Clichy.

“It’s how the market goes. There’s a lot of money [going out], but there’s a lot of money going in,” the Belgian said, via the Manchester Evening News.

“Who can say that spending £200m is normal? It isn’t. But how the league and football is going at the moment, it’s normal prices.

“Obviously it’s a lot of money, but it’s things that we needed to do. The revenue that the club gets in will be more than the £200m.”

After a 2-0 derby loss to Manchester United at the International Champions Cup, City crushed Real Madrid 4-1 on Wednesday.

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De Bruyne, who starred by having a hand in three goals against Madrid, said it was a good sign for Guardiola’s men.

“I think we’re on the right way. Obviously this game doesn’t say a lot, but it says that we’re moving in the right direction,” he said.

“Hopefully we can have a good performance against Tottenham (on Saturday) and then we will work hard in Manchester to be ready for August 12 (the club’s Premier League opener against Brighton and Hove Albion).”