Crystal Palace’s midfield could do with some reinforcement with injuries plaguing the department this season. Arguably the two best midfield players at the disposal of Oliver Glasner at Selhurst Park are currently battling injury problems. Adam Wharton has been fighting injury all season so far and the Eagles No.20 has even required injections to make it through fixtures for Crystal Palace. READ MORE: Who is Adam Wharton? The £22m Crystal Palace and England youngster tipped for the topGlasner has admitted Wharton may actually need surgery to fix this seemingly ever-present injury. Meanwhile, t…