Juventus have raised their offer for Eintracht Frankfurt winger Filip Kostic who is also sought by West Ham United, according to Italian news reports Thursday. The reports said that the Turin club are now ready to pay €12 million ($12.2 million) plus add-ons. Premier League side West Ham are said to have offered Frankfurt €15 million for the 29-year-old Serbian who however is said to favour a move to Juve to join compatriot Dusan Vlahovic there. Kostic’s contract at Frankfurt runs until 2023. He won the Europa League last season with them.