 In November , Fowler travelled to Frankfurt , Germany to see Dr. Hans @-@ Wilhelm <unk> @-@ <unk> , a specialist sports injuries doctor , to try and resolve a recurring hip problem that had left him lacking fitness in early season fixtures for the <unk> . The treatment involved taking around twenty @-@ eight <unk> into his hip . He returned to full training in late November and made his comeback on 15 December as a late substitute in a 1 – 0 defeat against Bristol City . However he went on to suffer another injury blow just days later after a <unk> tackle in training from club captain Darren <unk> left him with damaged ankle ligaments . Due to the new injury blow Cardiff and Fowler made plans for him to go to Colorado , United States to undergo <unk> surgery on the hip problem , which had plagued him in recent seasons , in the hope that it would finally resolve the problem . 
