Hye I am 23 years old male I got my left knee

Patient: Hye.I am 23 years old male.I got my left knee twisted while playing football more than a year ago,,Initially I took some pain killers and put a brace on it..after a month swelling was finished but pain did not finished..I met some doctors with my X ray reports but the reports were normal..I still cant run or play and whenever I stand up from land..a sound comes from the knee..and bone moves inside…kindly guide me I am very much worried about it…

Doctor: