It is no coincidence that Rangers, since hiring Nils Koppen as their director of recruitment, have made a concerted push for players with an Eredivisie background. Koppen, after all, spent six years a scout at PSV Eindhoven. During that time, he will have watched Vaclav Cerny tear the Dutch top-flight apart with FC Twente. He will also have witnessed Robin Propper develop into one of the Eredivisie’s most reliable centre-halves. Rangers are expected to complete the signing of Neraysho Kasanwirjo before the clock strikes eleven on Friday night too. The versatile defender made his name at Gronin…