West Ham have enquired about the availability of AZ Alkmaar full-back Owen Wijndal, while talks are ongoing with Lyon about the possible sale of centre-back Issa Diop.
The Hammers are actively trying to strengthen their squad ahead of next season, with the intention of continuing to challenge the Premier League's top six. As such, deals have already completed for Rennes central defender Nayef Aguerd and goalkeeper Alphonse Areola, who has joined permanently from PSG after a successful loan spell.
A new central midfielder and forward are also high on manager David Moyes's transfer agenda, with Jesse Lingard, Armando Broja and Keane Lewis-Potter among an extensive list of targets.
But there's also an appetite for West Ham to strengthen at full-back, particularly on the left-hand side. Aaron Cresswell has been a regular fixture in the side for eight seasons, with Arthur Masuaku acting his understudy for six of those, and he provides a tremendous threat going forward - evidenced by his seven Premier League assists during 2021/22.
However, the 32-year-old made a couple of high-profile defensive gaffes last season in important games, and was crucially sent off in the Europa League quarter-final clash with Lyon and the semi-final tie with Eintracht Frankfurt.
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The latter arguably cost West Ham the opportunity to attack their second leg tie with Frankfurt, which they went on to lose, and 90min understands that an enquiry has been made about 22-year-old Dutch international Wijndal.
Ajax have been leading the chase for Wijndal, amid interest from Everton, Napoli and Sevilla, and have even agreed terms with AZ. But a disagreement over personal terms has seen the move stall, prompting West Ham to ask whether or not a deal is there to be done.
Wijndal hinted last week that an exit is looming, telling the press while on international duty: “I’ve decided not to say much about it because that’s not very nice towards AZ...I have expressed my ambition to AZ to help the club, and the club helps me in that. Which club it will ultimately be, I have no idea."
There could also be a departure on the cards at London Stadium, as 90min understands that Lyon are in talks with West Ham over 25-year-old Diop.
The Frenchman is likely to see his minutes reduced now that Moyes has five central defenders to pick from, and negotiations are underway to take Diop back to Ligue 1 after four seasons in London.
He has featured in just 31 Premier League games over the past two seasons, with his game time significantly marginalised after Manuel Pellegrini's departure as manager in December 2019.
Source : 90min