No fan wants to view their club as a stepping stone. So, just three weeks after the centre-forward put pen to paper with his new club, hearing his former coach tip the youngster for a move to Rangers later down the line may not go down too well amongst the club’s supporters. Yet, while Rangers’ transfer strategy under Nils Koppen and Philippe Clement has focused largely on players based abroad – bringing in talent based in some rather less-travelled destinations – the Glasgow giants are not averse to looking closer to home for value-for-money reinforcements. Take Liam Kelly. The experienced go…