West Ham remain determined to sign Kurt Zouma this summer, but the Chelsea defender's wage demands reportedly present an obstacle for the Hammers to land the Frenchman.
David Moyes is on the hunt for another defender before the window slams shut at the end of the month, with the club in talks with Chelsea over a move for their 26-year-old defender.
The rise of Trevoh Chalobah and Thomas Tuchel's own desire to land a new defender - with Joules Kounde linked - has meant that the Blues are open to selling for a fee of around £25million.