Celtic will now steer the boar forward as they eye up a league-and-cup double following their winter transfer window frustrations. Nicolas Kuhn and Adam Idah will help with that quest after joining from Rapid Vienna and Norwich City, respectively. However, this particular mid-season merry-go-round will be remembered just as widely for what activity didn’t occur. Brendan Rodgers had been keen to add cover at left-back due to Greg Taylor’s recent injury; nonetheless, the Irishman will have to contend with his current options due to the fact nothing arrived in the post. Brief links to Paris Saint…