The Red Devils have re-signed Zlatan Ibrahimovic.
And Mourinho says the Swedish superstar’s arrival rules out any big-money raids in the New Year.
“He will be back in January,” Mourinho said.
“When the market is open and people are spending money we don’t.
“But we get a player who was fundamental for us last season.
“He comes to give us extra quality in the second half of the season.”
United defeat Leicester 2-0 at Old Trafford this afternoon to maintain their impressive start to the season.
“Jose Mourinho says Man Utd won’t make any January signings ”
United took the lead through Marcus Rashford in the second-half.
Marouane Fellaini added a second with eight minutes remaining to seal the win.
And Mourinho reckons his side put in a solid performance.
“I think we played very well,” he added.
“The result was open at 0-0.
“The blue wall was very well organised and I alwyas give credit for that. They defended very well.
“After the goal I have to say we were very good. If i have to choose a word to describe my team, i would have to say “solid”.