Javier Pastore's agent is in London for talks with West Ham United.
The Hammers want to snap up the attacking midfielder from Paris Saint-Germain and the French giants are prepared to deal if €20m is put on the table.
The Premier League side look to be pushing to do the deal as, according to French radio station RMC, Pastore's agent is now in London to hold talks with the Hammers.
It is also claimed that at present West Ham are on their own in looking to sign Pastore, with no concrete interest in the Argentine from elsewhere.
West Ham are aiming to back new manager Manuel Pellegrini over the summer and signing Pastore would be a statement of intent from the London club.
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Pastore has regularly been linked with a switch to the Premier League in recent years, but has remained at PSG.
The 28-year-old, who has won 29 caps for Argentina, joined PSG from Palermo in 2011.
