"I speak to clubs who say: "This is fantastic, we knew what the deadline was and we've worked to that".
The window closes on Thursday Aug. 9, three weeks sooner than normal, with the Premier League season starting on Saturday.
City have been quiet in the transfer market, adding just Riyad Mahrez from Leicester, but their attacking potency and ability to dominate possession should be even stronger with the addition of the Algerian.
But City's strength in depth is clear for all to see.
The key question for Mourinho is whether he can finally get the best out of Alexis Sanchez, Paul Pogba and Romelu Lukaku and find a positive style of play that the Old Trafford faithful demand.
Power Rangers movie sequel is a go
He claims that Hasbro will work with a new movie studio to develop the next Power Rangers film. Last year's Power Rangers movie revived a franchise that had appeared to have faded away.
The two aforementioned teams are followed by the newly promoted Fulham that have invested as many as 75 million euros for several transfers, including Aleksandar Mitrovic, Alfie Mawson and Jean Michael Seri.
However, they can still sell players to clubs overseas because English clubs have brought their transfer deadline forward, but it remains at the end of August across Europe.
City begin the new season with a trip to Arsenal on Sunday and Spaniard Guardiola suggested the London side could pose a serious challenge this season under new manager Unai Emery. "He's a top, top manager and it will be tough".
Club photographer Victoria Haydn was at the session as Pep Guardiola's players stepped up preparations ahead of the big kick-off.
Writing on Twitter, Collymore said as he predicted the top four: "City".
Pep Guardiola's side are the bookmakers' favourites to triumph once again and it's not hard to understand why.