The Netherlands coach is understood to have told friends that he is "very keen" on taking over at Old Trafford when his stint in charge of his country finishes after the World Cup.
When asked if Van Gaal would be a good fit for Manchester United, the Swansea keeper had no doubts at all that he would suit the Red Devils.
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The 30-year-old, who has worked with Van Gaal in the national team, says that he has the experience and knowledge to succeed in the Premier League.
"I think he's very clever, you can tell he has got a lot of experience," the Swans star continued.
"He analyses teams very, very well. He's straightforward - for me, he's one of the best managers I've worked with because he's very clear in what he wants and, it doesn't matter who you are, he treats everybody the same.
"I think, if he comes to the Premier League, he is definitely going to do good no matter what team he is going to coach."