Niclas Füllkrug seems all set to join West Ham United from Borussia Dortmund within the next few days. West Ham have done some brilliant business already this summer with four top tier signings, but many more are on their way, Niclas Füllkrug included. A few days ago it was claimed that Hammers boss Julen Lopetegui was close to bringing the 31-year-old to the London Stadium, but personal terms and the structure of the fee are still yet to be agreed upon. Then it was suggested that the Borussia Dortmund hitman was en route to London via a private jet yesterday, so the deal has certainly progres…