Crystal Palace need to move quickly to grab one top target this summer as his transfer value has skyrocketed this season. The upcoming transfer window is due to be a busy one for Crystal Palace with numerous players already linked with a move to Selhurst Park. Oliver Glasner will be leading the calls for recruitment to be at the highest level as he’s likely discovered just how thin his side is. We’ve seen this issue most prominently in central defence, with Jefferson Lerma having to fill in due to injuries. This was always a concern in that position given the change from two at the back to thr…