Scotland manager Steve Clarke has named only one Rangers star in his squad for the upcoming UEFA Nations League clashes with Croatia (A) and Portugal (H). The national team will hope to stop the rot of one win in 13 games when they travel to Zagreb on the 13th of October and host Cristiano Ronaldo & co three days later. Amid a spate of call-offs, there were hopes that at least two Rangers stars would make Clarke’s final cut as he looks to stave off calls for change from within the walls of Hampden. But one on-form Ibrox star has received an international snub for an ex-Hearts midfielder who ha…