Celtic brought in two additions during the January transfer window despite frustration that more individuals weren’t acquired at Parkhead. Nicolas Kuhn and Adam Idah came through the door from Rapid Vienna and Norwich City, with the former costing in the region of £3 million. However, it has been the latter who has had the bigger impact in green and white, much to the surprise of many supporters, scoring five goals and registering a solitary assist in his opening seven appearances [Transfermarkt]. The Republic of Ireland international has provided Kyogo Furuhashi with some genuine competition …