The Hammers are concerned their 26-year-old centre-back will leave for free in the summer and would prefer to cash in in January if he doesn't sign a new deal.
According to reports the club are giving him until the transfer window opens to pen a new deal or he will be sold.
We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. Read our Privacy Policy