Celtic fought back from a goal down to defeat Motherwell 3-1 at Fir Park yesterday as Brendan Rodgers’ side showed their willingness to scrap for the Scottish Premiership crown. Despite being in treacherous territory at the interval due to Blair Spittal’s opener for the hosts, the Bhoys weren’t to be denied after producing an outstanding second-half display against the Steelmen. Republic of Ireland international Adam Idah came off the bench to replace Kyogo Furuhashi at half-time and proved to be the trigger for a dramatic comeback from Rodgers’ men, equalising with a bullet header on 51 minut…