The gap between Celtic and Rangers is something that will always be spoken about in football circles and it has once again reared its head after matchday two in the Scottish Premiership. Celtic have already recorded two impressive wins in their opening league games of the season whereas Rangers have dropped points against Hearts and narrowly beat Motherwell at Hampden on Saturday. With the first Glasgow Derby just over two weeks away, Graeme Souness was asked about where he thought the gap between the clubs is now that Celtic look so commanding at this early stage of the season. Souness’ ‘comm…