West Ham striker Jonathan Calleri could leave the club in January, according to reports.
The Argentine has struggled to find his best form for West Ham.
Tony Cottee has criticised West Ham for their summer transfer business.
The seven-goal Sunderland striker has outscored every West Ham United player this season.
The West Ham loanee has struggled to find his feet in London so far.
West Ham United boss Slaven Bilic gets boost after seeing misfiring striker signing finally find his shooting boots in training ahead of Sunderland clash.
Aaron Cresswell, Havard Nordtveit and Jonathan Calleri have all returned to full training at West Ham United.
West Ham United loan signing admits he is finding life tough in the Premier League.
Slaven Bilic is a man under pressure and he needs to act if he is to save his job and West Ham United's season.
The Premier League is six games old and some summer spending is starting to look regrettable.