Slaven Bilic wants cover with Aaron Cresswell out for four months. However Hull value Scotland international Andrew Robertson at closer to £15million after having a £7m bid turned away.
The 24-year-old is on a season-long loan at Upton Park but has sustained a knee problem and may force the Hammers to dip into the transfer market to acquire a replacement
West Ham have enquired into the availability of Swansea forward Andre Ayew, according to Sky sources.
West Ham are set to confirm the loan signing of Argentine striker Jonathan Calleri from Deportivo Maldonado as Slaven Bilic looks to build a squad capable of fighting on four fronts this season.
West Ham assistant manager Nikola Jurcevic says he is 'not satisfied' after the Europa League qualifying defeat to NK Domzale.
West Ham winger Gokhan Tore requires a scan on his knee injury, after being hurt in training on Monday.
West Ham United captain Mark Noble questioned the penalty that gave NK Domzale an early lead at Stozice Stadium, but admitted the Slovenian minnows were worthy winners.
The Hammers slumped to an away defeat to the Slovenian minnows in the first leg of their third qualifying round tie but the midfielder says they have to remain positive
The Hammers face an uphill task in the return leg after slipping to defeat in Slovenia, although they do have an away goal after Mark Noble fired home from the penalty spot
West Ham were beaten 2-1 by NK Domzale as Matic Crnic scored twice to give the Slovenian underdogs a narrow advantage after the first leg of the Europa League third qualifying round tie.