Celtic are winless in their past four league games against Rangers (D2 L2); they had only failed to win four of their previous 12 Old Firm derbies in the Scottish Premiership beforehand (W8 D3 L1).

Celtic's inaugural match as a club, when they faced Rangers in a friendly in 1888, is said to have been followed by a dinner in which the squads toasted good health to their counterparts. The players ...