GETTY Mauro Zarate is closing in on a move to Fiorentina

The 28-year-old Argentine has featured heavily under Slaven Bilic this season, scoring five goals and assisting two in all competitions. Bilic is keen on keeping Zarate this month, but the former Inter Milan and Lazio man wants to return to Italy.

West Ham's top January transfer targets Wed, January 6, 2016 Express Sport takes a look at who West Ham might sign in the January transfer window Play slideshow Getty 1 of 13 Who will West Ham sign in the January transfer window?

And his representative claims Zarate has set his sights on a move to Fiorentina, who Italian outlet SportItalia claim have agreed a £2.3m deal with the Hammers. "We are in negotiations to reach an agreement with West Ham and I am in London to find a solution for this transfer,” agent and brother Rolando Zarate told Radio Bruno.

GETTY Mauro Zarate has scored five goals for West Ham this season

GETTY Slaven Bilic is keen to keep Mauro Zarate at West Ham