West Ham United will demand that Manchester United offer Anthony Martial as part of any deal for central defender Issa Diop, according to The Independent.
It seems likely that West Ham will want in excess of £60 million for the ex-Toulouse man, with the Londoners already rejecting an offer of £40 million plus a player.
Diop, 22 played 33 Premier League games during his maiden campaign in the top-flight.

His performances have caught the eye and United are keen to make him a part of their defensive rebuilding process this summer.
If anything, by asking for Martial they are simply implying that Diop isn’t for sale.
It is an audacious request from a Hammers point of view but shows that they are not in the market to sell their top players.
Martial would naturally be a class signing for West Ham.
Last season he netted 12 goals for the Red Devils and can play either up front or out wide.

It does seem unlikely that Martial will rock up at the London Stadium but that hasn’t stopped their fans enjoying this moment on Twitter.
Some are getting excited at the potential new signing, whilst others are just enjoying their club appearing to wind United up.
We rounded up the best Twitter reactions to news of West Ham’s cheeky request:
https://twitter.com/Richardod64/status/1140912311483416577
https://twitter.com/ChrisCheeseman2/status/1140901864457822209
https://twitter.com/ChrisFox26/status/1140901375074865152
https://twitter.com/fronkledonnelly/status/1140907260887146497
https://twitter.com/LloWhu/status/1140912586847862784
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