Carlton Cole says all the players now believe in the methods of West Ham United boss Avram Grant.
The Hammers face Stoke City in the FA Cup this weekend.
Cole said: "He has the team sussed. He knows certain players are best for certain games. Every player that gets taken out or put in will do the job for the manager.
"All the boys are playing for the manager now and that's the main thing. Whatever team he selects we'll push for the semi-finals.
"Hopefully, we'll put in a good shift and come away with a result. Yet Stoke are a very powerful side, a force to be reckoned with their height and power.
"I think 65 per cent of their goals are from set-pieces, so we are really focusing on that and trying to defend against it.
"We take great belief from the way we defended against them at Upton Park."
