West Ham have been told to get serious if they want to sign Olympique Marseille defender Duje Caleta-Car.
The Hammers have failed with a loan offer for Caleta-Car.
The Daily Mail says the Hammers also proposed an option to buy as part of the arrangement but the offer was rejected by the club's president Pablo Longoria.
Marseille are open to letting centre-back Caleta-Car leave this month but only on a permanent deal.
The Croatian has also been linked with Newcastle, Wolves and almost joined Liverpool a year ago.
He has 18 months left on his contract and is valued at around £15m by his French club.
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