The Red Devils have failed to bring in their top targets in the summer transfer window after Manchester United were linked with a host of centre-halves.
"That's football, that's football management, I think football is changing and probably football managers should be called head coaches".
Asked if he had the tools to compete without new signings, Mourinho said: "I have my players, I like my players, I like to work with my players".
"It will be a hard season for everybody, not just for us", the 55-year-old said. "We have to wait until the end of November to understand if we can fight for the title".
Mourinho had previously criticised Scudamore and other Premier League organisers for making Man United play before every other team because of less time for preparation but he was all smiles after the Leicester City.
To Mourinho's intense irritation, United's conclusion was that in most cases he had targeted defenders who were no better than those they already had and who, in today's inflated market, could conceivably have cost upwards of £70 million (S$122.4 million) without vastly improving the team.
"Fred is a very good player, he will help us".
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United fans purred at the presence of Pereira, Fred and Paul Pogba playing together in midfield and Andreas reserved some kind words for our World Cup victor, who played over an hour after less than a week of training.
It was Shaw, who just like Pogba has endured some tough times under Mourinho, who was the unlikely late hero for United.
"We saw the downtrodden Jose Mourinho last season and the difference was that they didn't win anything".
"We should start the Premier League with a win and we did".
It was nearly as if they were saying "look this is Old Trafford, and we are United - this is how we play". The Portuguese manager was pointedly critical of his star player following the World Cup, essentially challenging him to replicate his World Cup form at the club level. "We thought he would manage maximum 60 minutes and he went much longer", said Mourinho.
It took Pogba just two minutes to make his mark as he put United 1-0 ahead with a perfectly placed penalty past Kasper Schmeichel. "Even tonight, I know I can be better and that is what I want to keep showing the manager".
"I made a choice to try and finish the game", he said.