“If nothing changes, I will be training until Saturday. Then we will talk and take a firm decision,” Tristan told setantasports.com.
“I was looking for a team because I still believe I have a role in football. In Italy with Livorno I proved that I have still got plenty of gas left in the tank. I'm currently working with a personal trainer.
“Zola called me. He told me his plans and the situation with the team.
“I have come to prove myself and we will see how everything goes. My first impression is positive but it doesn’t just depend on me.
“I’ve had offers this summer from clubs in Europe but I haven’t been able to finalise anything for one reason or another.
“At this moment it is not a question of money but seeing if I can be useful to West Ham.”