Skysports.com understands West Ham are poised to sign Diego Tristan after he impressed on trial.
As exclusively revealed by skysports.com last month the former Spain international has been training with West Ham for the last few weeks as he looks for a new club.
Tristan is a free agent after being released by Livorno at the end of last season and he is keen on trying his luck in England.
The former Deportivo La Coruna striker is believed to have done enough to impress Hammers boss Gianfranco Zola, who is in the market for attacking reinforcements after losing Dean Ashton to injury.
West Ham are ready to offer Tristan a deal until the end of the season and he will become Zola's first signing since he took charge at Upton Park.