West Ham have been extremely active under new boss Manuel Pellegrini and a fifth summer signing looks set to be secured.
The Hammers have already added Ryan Fredericks, Issa Diop, Lukasz Fabianski and Jack Wilshere to their ranks ahead of the 2018-19 Premier League season and a new signing is imminent.
Football.London state Corinthians defender Fabian Balbuena is poised to complete a move to the London Stadium after the Hammers activated the release clause of the Paraguay international.
Corinthians already confirmed earlier this week that an offer from the Hammers has been accepted, issuing a statement that read:
“Corinthians informs that it received a proposal from West Ham United, of England, for Fabian Balbuena.
“The amount offered was the same as the amount required by the other party in the contract renewal, signed two months ago.”
“The defender is already cleared for medical examinations for transfer to the London club. The board thanks the services provided in this time of home and wishes luck in the new journey.”
A deal is reported to cost in the region of just £4m, presenting a potential bargain for the Hammers.