West Ham United co-owner David Gold has admitted that the club have postponed holding talks with goalkeeper Robert Green over a new contract.
The 30-year-old shot-stopper was a pivotal presence for the Hammers during their battle for survival last season, and his efforts were rewarded by a call-up into England's 2010 World Cup squad.
Now the club's co-chairman has hinted that the east London outfit could cash in on their player if he were to shine in South Africa.
"At this stage we are not going to have talks with him about a new deal," Gold told The Sun.
"World Cups change lives. It's the global shop window and who knows what may happen. We could get amazing offers - offers you can't refuse.
"What do you do if Manchester United or Real Madrid, for example, come in offering millions of pounds?"
Green has only 12 months remaining on his contract at Upton Park, and Gold maintains that the key to whether or not the 'keeper will continue with the Hammers lies with new manager Avram Grant.
"We have to see how Robert feels and consider the new manager's view," he added. "He will take the squad on a pre-season tour and judge Robert with everybody else."
Fellow co-owner David Sullivan has previously maintained that every player at West Ham is for sale with the exception of midfielder Scott Parker.
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