Timber could make the move to the Prem with his current Ajax boss next season, according to Sky Deustchland.
Bayern Munich have also been linked with the 20-year-old.
But Florian Plettenberg, a correspondent for the German giants, tweeted an update which is good news for Red Devils fans.
He said: "Bayern inquired about him but it is said the 20 year-old could join Ten Hag at Manchester United.
"Talks with his management have taken place and Manchester United is seriously interested."
Ten Hag has joined United on a three-year deal with the option of one more and will take the reigns for next season.
He told De Telegraaf: "I think all top clubs in Europe have Timber in their sights.
"But I think that currently applies to a lot of Ajax players."
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