This comes after an unprecedented summer spend in 2017 saw the former Barcelona coach totally restructure his team, turning them into Premier League winners.
"We didn't have much money this year, that's the truth after last summer", he explained in his pre-match press conference.
"I'm very happy with the team I have".
"It is hard for me to understand, to feel, to believe we finish second - which I keep saying".
Just 14 per cent of that figure, £175m, was spent on transfers between two Premier League clubs - an unforeseen effect of the league's window closing before the rest of Europe, according to Deloitte's Tim Bridge.
Mourinho, who will be without the likes of Nemanja Matic, Antonio Valencia, Ander Herrera and Marcos Rojo on Friday, once again bemoaned the lack of preparation time for the start of the season, with many of his players having just returned to training after taking time off following the World Cup.
"The ideal situation is that everyone will end up with the same deadline".
"I will have to focus on the players I have and in relation to this first couple of matches".
The interior designers recruited into The Theatre of Dreams have obviously been more productive than chairman Ed Woodward this season in giving United a makeover, and the results are sure to make the rest of the Premier League green with envy, radiating class and sophistication.
"He knows absolutely everything about his opponents, it will be tough to face him and a good challenge for every other coach".