Arsenal are poised to finalise the signing of Granit Xhaka from Borussia Monchengladbach as manager Arsene Wenger strengthens his squad for next season.
Swiss midfielder Xhaka flew to London on 20 May to undergo a medical and discuss personal terms with Gunners officials with a view towards completing a transfer before the start of the European Championships next month.
Sources told Sky Sports that the transfer will be formally completed in the coming days.
Photos have surfaced on social media that appear to show Xhaka sporting an Arsenal kit at an indoor training facility, although the club have not commented on their authenticity.
Dubbed the successor to Bastian Schweinsteiger by former Bayern Munich manager Ottmar Hitzfeld, Xhaka is a tough-tackling midfielder who has won 40 international caps for Switzerland.
The 23-year-old scored three goals in 28 league appearances for Gladbach this season. He is contracted to the Bundesliga club until 2019.
Gladbach sporting director Max Eberl confirmed last week that the club had received an offer for Xhaka, but that there was no agreement in place.
Bild claimed that Arsenal had tabled a bid of about €25m (£19m) for the player, but that the Bundesliga side were holding out for a fee in the region of €40m.
"There is an offer, but that does not mean we will let go of Granit," Eberl was quoted as saying by the German daily. "I do not wish to talk about the size of the offer."
In February, Xhaka said it would be a "dream" to play in the Premier League.
"I think everybody has a dream. Everybody has a childhood dream and that's my childhood dream," he was reported as saying. If my dream comes true, it remains to be seen. At the moment I cannot say how realistic it is."
Arsenal finished second in the Premier League, 10 points behind champions Leicester City.