Oliver Glasner has been raving about one Crystal Palace player who has blown him away recently in training. For Oliver Glasner, there are multiple decisions to make over the remainder of this season ahead of a busy summer of change at Selhurst Park. Crystal Palace will have known when they appointed the Austrian that they’d be required to do some work in the transfer market to give him the squad he wants. To do this, there are already a couple of positions that need to be strengthened. There is one area however which has become a real area of quality for Palace recently. Now, Glasner has prais…