Yuri Zhirkov has claimed Chelsea’s medical staff denied him the chance to take part in the run-in despite him feeling he had recovered from injury.Zhirkov, 27, has endured a difficult spell at Stamford Bridge since signing from CSKA Moscow in 2009, with injuries hampering his opportunities at the club. He has suffered problems with his Achilles and knees this season and his most recent appearance for the club came from the bench in the 1-0 Champions League defeat at home to Manchester United at the start of April.