Sources: West Ham work on blockbuster defender signing after Sullivan order

West Ham are working on signing a top-level centre-back this summer, Football Insider can exclusively reveal.

The Hammers’ plans to recruit a senior striker and convert Jesse Lingard’s loan into a permanent deal are well known.

But a West Ham source has told Football Insider that an equally big priority for manager David Moyes is to strengthen the centre of his defence.

The Scots wants a commanding player he can build his defence around especially with Declan Rice now firmly established as a midfield anchorman.

West Ham co-owner David Sullivan will mandate agents to source centre-backs who could be lured to London Stadium this summer.

The source explained that the Irons are willing to spend significant money to get the right player.

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It comes as the club prepare to tie Moyes to a long-term contract after an outstanding campaign ended in a sixth-place Premier League finish and Europa League football next season.

Angelo Ogbonna and Craig Dawson ended the season as the first choice centre-back pair, with Issa Diop and Fabian Balbuena the senior back-ups.

But Ogbonna is 33 and is out of contract in the summer of 2022, while Balbeuna’s deal expires next month.

West Ham have already announced they will convert 31-year-old Dawson’s season-long loan from Watford into a permanent deal that runs until 2023.

That leaves only Diop, 24, as a senior centre-back in the prime of his career.

In other news, a major update on West Ham bid to lure big name from Liverpool can be revealed.