Scottish Premiership roundup: Rangers and Celtic power on at the top

Steven Gerrard’s men maintain their 16-point leadCeltic continue form with 2-0 win over Ross CountyRangers maintained their 16-point lead at the top of the Scottish Premiership with a comfortable 3-0 win at St Johnstone.Kemar Roofe netted his ninth goal in as many starts, with Glen Kamara adding a well-crafted second and Ianis Hagi scoring on his first league start for two months...