Yusuf Kabadayi is the latest name exciting Rangers fans ahead of the transfer window. The 20-year-old Bayern Munich winger might not have been on the radar of many before news broke in Germany surrounding Rangers’ interest. But as the Rangers support starts loading up the obligatory YouTube clips, there is some excitement building around the attacker. The story goes that Rangers are one of a number of clubs interested in signing Yusuf Kabadayi, with the German youth international returning to Bayern after a year at Schalke 04. Now, the Gers-linked attacker’s Instagram activity has sent the rum…