I've always had the feeling he didn't "click" with the rest of the team, its like the chemistry is missing. Even tonight you could see Ashely Cole ignoring him despite Zhirkov having a good position and later on he went on by himself despite Drogba literally asking for the ball. I've always believed in his talent and he was quite good last year but it's like his not playing for the team and the team isn't playing for him.