West Ham United co-chairman David Gold says he expects midfielder Manuel Lanzini to return to the club for treatment after he picked up an injury on international duty.
Lanzini was included in Argentina's squad for the forthcoming Olympic Games, but picked up an injury in training with the national side recently.
The Argentine FA confirmed that Lanzini had suffered a sprain in his left knee and now Gold expects the attacking midfielder to arrive back in England to be assessed.
Asked about Lanzini on Twitter, Gold replied: "Expecting Lanzini to return for treatment."
West Ham's medical team will be keen to see Lanzini as soon as possible as they look to assess the severity of the injury.
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The 23-year-old's involvement in the Olympic Games meant he may well have missed the start of West Ham's Premier League campaign in any event, but the injury could now mean he is unavailable for even longer.
Lanzini joined West Ham, initially on loan, from Al Jazira, at the start of last season.
The Argentine impressed quickly and was then snapped up on a permanent deal.
