Meanwhile, Toby Alderweireld, who has been linked with a move to the Old Trafford outfit, stated that he is completely open to staying at Tottenham Hotspur but doesn't know what is going to happen in the summer.
"The thing is, though, that what he said at the time was in public so I think his apologies should also be made publicly", De Gea added.
"It is also true that most public figures who disrespected me have not even apologised in private".
De Gea now only has one year left on his contract at Old Trafford, although United have an option to extend his deal by a further year.
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"I always put my music on".
"You have to be focused on having a good World Cup - we are all good".
"In the end, things are proven and we saw that it was all a lie. But it's water under the bridge".
David De Gea says discussions about his future at Manchester United are not important as he focuses on the upcoming World Cup.
De Gea joined United from Atletico Madrid in 2011 and after a few unconvincing seasons has turned into one of the best goalkeepers in the world - leading to Real Madrid's interest. "I just want to be 100 percent focused on the World Cup". "But Portugal is not only Cristiano, they have a great national team, they won Euro 2016".
"I get a lot of criticism about my music but I always try to play them good music".