Moyes' work in talking round his one-time Everton protege means United can harbour ambition that might already have been extinguished had Rooney not remained at Old Trafford.
"We had a whole new set-up and different ideas from the manager," Rooney said.
"It was up to us to try and implement them.
"It was a bit of a change but we're starting to show the things that the manager wants.
"There are only nine or 10 games gone so there's no big worry at the moment.
"We're starting to do well. We're confident at the minute, we're getting more clean sheets and playing with freedom.
"If we can get the victory on Sunday then we're in a great position."
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