When two teams are so incredibly dominant in their domestic leagues it can sometimes be difficult to remember which other champions there have been
The dominion held by Old Firm foes Celtic and Rangers over Scottish football is one of the most dominant in the history of the game.
In 121 seasons of top-flight football in Scotland, the Glasgow giants have come out on top on a combined total of 103 times and the longest run without an Old Firm champion is just three years.
A remarkably small collection of teams share the remaining space on the honour roll, with a handful of pretenders enjoying what could perhaps tentatively be called 'golden eras'.