Yuri Zhirkov believes his move to Chelsea Football Club has brought on injury problems.
The Russian international has started just once for the Blues following his summer move, due to a knee injury he claims stems back to his switch to London.
"The English doctors see my problems as a reaction of the body to drastic changes - in the climate, lifestyle, training work and in everything else," he said in the London Evening Standard.
"And no one can tell me what the medical predictions of my rehabilitation are. The British physicians even consulted with German specialists regarding me.
"They sent them my x-rays together with the detailed description of the problem but, as far as I understand, they failed to diagnose the problem.
"I try to remain optimistic - many players have had such difficulties. I am not the first, not the last. It is a pity that the problems coincided with my move to a new club.
"But if I keep being distressed the situation will not change. I must work and believe that everything is going to straighten out soon."
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