The centre-half returns to
Goian is the latest first-team player to depart the Glasgow giant, which was voted into the Third Division after being consigned to liquidation.
The American midfielder - who has not featured for Rangers this season - has also been weighing up a potential move to
Boss Ally McCoist faces a race against time to bolster his squad ahead of a 12-month transfer embargo, which comes into effect on
Porto has agreed to sell highly-rated duo Joao Moutinho and James Rodriguez to ambitious French club Monaco for a combined fee of 70 million euros ($93.83 million).