By Barry Ferguson’s own admission, the sheer existence of Rangers’ £3 million forgotten man completed slipped his mind. And, in truth, the former Ibrox skipper can be forgiven really. The Steven Gerrard favourite has not featured with any regularity in a Rangers jersey since midway through the 2021/22 season after all. Since he suffered the serious knee injury which, two-and-a-half years ago, brought his promising career to a shuddering and devastating half. Flash forward to July 2024, is Ianis Hagi ready to pick up where he left off? A disappointing loan spell in Spain with Deportivo Alaves w…