Celtics are into the nitty gritty regarding the Scottish Premiership season as they await the announcement of their post-split fixtures. Brendan Rodgers has enjoyed a rollercoaster ride since being re-installed at Parkhead last summer; however, the Irishman will now fully focus on claiming a third successive league title. With five matches left to go in the Scottish top-flight, Celtic retain a four-point advantage at the summit; nevertheless, Rangers can close the gap to a solitary point if they defeat Dundee on Wednesday, which is their game in hand. On the face of it, the theory that you wou…