"I couldn't tell you [what's happening]," Sir Alex told reporters at a press conference on arrival on Seattle.
"I've not really been involved in it since we've come to America. There's no real interest at this moment in time in Wesley Sneijder for a lot of reasons. There's nothing I can tell you about it."
Sir Alex was quizzed further about any other potential new signings to add to the three he has already made - Phil Jones, Ashley Young and David De Gea. But the manager insists there is nothing new to report on that front.
"Nothing's imminent at this moment in time. Obviously we're trying but we've signed three players and we're very comfortable with that," he added.
"They're three tremendous young players to add to the squad I have from last year – and we've people coming back from loan periods like Welbeck, Cleverley, Diouf and Macheda.
"We've signed Phil Jones, Ashley Young, David de Gea... we've filled the gaps we've needed to fill. The one we're having difficulty replacing is Paul Scholes, which is always going to be hard
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