The rivalry quickly took on a patriotic flavour , with Galloway 's blue colours of Scotland clashing O'Shaunnesy 's green colours of Ireland , mirroring the Old Firm football derby between Rangers and Celtic , respectively .
The rivalry quickly took on a patriotic flavour , with Galloway 's blue colours of Scotland clashing O'Shaunnesy 's green colours of Ireland , mirroring the Old Firm football derby between Glasgow Rangers and Glasgow Celtic , respectively .