With the arrivals of Fernando Llorente and also Carlos Tevez, Alessandro Matri and Quagliarella are no longer needed and are up for sale.
West Ham may have struck personal terms with the Italian international but they have yet to strike a deal with his club Juventus.
It is believed that the Hammers want to take the 30 year old on loan with an option for a permanent deal but Juventus are looking to get rid of their forward on a full time basis.
West Ham have been looking to strengthen their front half during the summer with Paraguayan forward Oscar Cardozo also a target to join Andy Carroll and Stewart Downing who have also joined in this window.