Goal exclusively revealed on Friday that the 27-year-old is convinced he no longer has a part to play under Moyes' regime and is prepared to force through a move away from Old Trafford at the end of the season.
With Arsenal and Chelsea keeping tabs on Rooney's situation, the England international is also attracting interest from Paris Saint-Germain and Real Madrid.
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"I have spoken to David a few times," Sir Alex told reporters.
"I would imagine he would want to come in quite soon when the season finishes and speak to staff and things like that.
"But I have not spoken to David about Wayne. I’m sure he will address it when he gets here.
"I have no idea why Wayne wants to leave, it is not my department. I am no longer interested in that.
"David is going to deal with that and, quite rightly, he wants to deal with it.”