Ex-Rangers midfielder Christian Nerlinger has been spotted jetting into Glasgow alongside prospective new Celtic signing Nicolas Kuhn. The former Ibrox star has been snapped at Glasgow Airport alongside the Rapid Vienna winger who looks set to complete a £2.8m move to Parkhead. Former German international Christian Nerlinger – who spent three injury-hit seasons at Rangers between 2001 and 2004 – is one of the Austrian winger’s representatives. The 50-year-old former Bayern Munich and Borussia Dortmund midfielder spent time as Bayern Munich’s sporting director and is strongly connected in the w…