David Gold insists the east London side is desperate to hold onto its star man but has admitted that an offer from one of the Spanish giants could force the Hammers' hand.
West Ham co-owner David Gold has admitted that his side could lose Dimitri Payet to Barcelona or Real Madrid.
The France international, 29, is shining at Euro 2016 after an impressive debut campaign in the Premier League following his move from Marseille.
Payet finished the season with nine goals and 12 assists in 30 league appearances, and only Mesut Ozil created more chances, according to Opta.