But in a blow to his hopes of retaining the forward, Arnautovic's brother Danijel has made it clear that the player is eager to quit the London Stadium.
West Ham, though, are determined to keep the influential 29-year-old and are adamant he will not be allowed to leave. We know that we have a very good player in Marko, a lot of clubs may want him to play for them. He wants to go to a new market and challenge for titles.
Isaac Hayden is another midfielder who has been the subject of enquiries from Premier League and Championship clubs.
If Arnautovic does move to China, West Ham will make a move for Bournemouth forward Wilson. It is his great desire that West Ham accept the offer from China.
West Ham are now operating without creative playmakers Manuel Lanzini, Jack Wilshere and Andriy Yarmolenko due to injury, and although Samir Nasri has come in to help in their absence, the Chilean is looking for further signings, not just to add quality to his ranks, but also depth too.
'I am sure his head will be in the game against Arsenal and it will not affect his performance'.
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West Ham are reluctant to let their star striker leave though and have since issued a defiant 18-word statement. That is Marko. He will never change.
"You choose a club and a project because of the ambition, and I think that West Ham has everything to be one of the biggest clubs", he said. He hopes the fans can respect his wishes.
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Will be hard to replace but i trust Pellegrini to do it. [tomster36]This whole thing about Arnautovic is annoying!
"If it was £50m between Wilson or Arnautovic I would go with Marko", he told The Debate on Sky Sports.
"Marko and the other players involved in the rumours have their heads here, they want to continue the way they're playing". Marko in this moment is a player of our team. Olivier Giroud is just a target man and he's injured anyway.
"As for Alvaro Morata, I honestly don't know what he does".
"His agent has been making noises about him leaving as well and Chelsea could probably get him for £40m because of his age".