West Ham United are in talks with Eintracht Frankfurt wing-back Filip Kostic.

The Hammers offered €15m to Eintracht Frankfurt for Kostic on Friday.

The Irons are now entering talks with player as they seek to convince him about a move to London.

With the Londoners, Kostic will significantly increase his annual salary. Frankfurt is still hoping for an extension of the contract, which expires in 2023.

Eintracht's offer would make Kostic their top earner with an annual salary of €5m, reports Fussball Transfers.