Arsenal are exploring other left-back targets as Ajax defender Lisandro Martinez closes in on a move to Manchester United.
Ajax and Manchester United are in advanced talks for Martinez and there is optimism a deal will be concluded.
Arsenal had been trying to sign the left-back too, but their interest has cooled recently with Ajax digging their heels in over their £45million asking price.
The Gunners are now looking at other left-back targets, which will impact the future of Nuno Tavares.
The 22-year-old, who joined Arsenal last summer as part of a deal worth around £8.5m, is attracting interest from clubs who want to sign him on loan.
Arsenal could be open to agreeing such a move, but they will want to have a replacement lined up first.
Martinez has agreed to join Manchester United as he wants to test himself in the Premier League, while he is eager for a reunion with his old Ajax boss Erik ten Hag.
The Argentina international predominantly plays as a left-back, but he can also operate in midfield and the heart of defence too.
Arsenal are now in the United States for their pre-season tour after landing in Baltimore on Wednesday.
The Gunners have taken a 33-man squad for the tour, which includes games against Everton, Orlando City and Chelsea, but a number of those who have travelled face uncertain futures.
The likes of Ainsley Maitland-Niles, Bernd Leno, Hector Bellerin and Pablo Mari could all leave Arsenal this summer.
