Yang could return for Celtic against Kilmarnock but Besiktas is likely to come too soon for him.
The winger has been back in training with his teammates after picking up an injury during South Korea under-23s' Asian Games campaign.
Yang could return for Celtic against Kilmarnock but Besiktas is likely to come too soon for him.
The winger has been back in training with his teammates after picking up an injury during South Korea under-23s' Asian Games campaign.