He said: “It is not a gamble. I was very happy when I heard about the chance to move to West Ham and I made my mind up. I was sure about the decision. I know where we are now, but we can get out of this position.
“The quality of the players here is massive, so we have to trust the people at the club.
“I have good memories of Fulham, but I am beginning a different period in my career now. Fulham is in the past.”