Jurrien Timber's brother has appeared to confirm the Ajax defender will join Arsenal after posting another transfer clue on social media.
Arsenal have already signed Kai Havertz in a £65m transfer from Chelsea, with West Ham captain Declan Rice and Timber also expected to join the Gunners in the coming days.
According to The Athletic, Arsenal have agreed an initial fee of €40m (£34m) for Timber, with an additional €5m (£4.3m) in largely achievable add-ons.
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A versatile defender who can play in central defence and at right-back, Timber made 47 appearances in all competitions for Ajax last season, scoring twice.
But he is now set to leave the Dutch club, who will not play in the Champions League next season after a disappointing third-place finish in the Eredivisie.
Timber passed a medical with Arsenal on Friday and the transfer is expected to be completed imminently.
Timber's brother 'leaks' transfer news
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Timber's brother Shamier has appeared to confirm the transfer before an official announcement from Ajax or Arsenal.
He took to social media on Sunday to post a picture from a leaving party for the Netherlands international.
An image posted to Shamier's Instagram story showed a sign featuring an image of Jurrien in an Arsenal shirt.
It included the following message: "Jurrien's goodbye party! See you in the streets of London."
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While Timber is expected to officially join Arsenal in the coming days, it could be a while before he meets his new teammates.
Arsenal's players who were not involved in the June internationals travelled to Germany on Sunday for a pre-season camp.
Arsenal take on Nurnberg in their first warm-up match on Thursday, before returning to the UK in order to fly to the United States with a full squad.
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Timber and Rice could join the squad for the tour of the USA, should their deals be completed in time, with Arsenal face an MLS All-Star XI in their second pre-season match on July 20.
Topics: Ajax, Arsenal, Football, Premier League, Transfers, Jurrien Timber