Teams outwith the cinch Premiership and Championship are involved in the Scottish Cup second round with a reduced card of games in League One and a plethora being played around the country from Brora and Banks O’Dee to Stranraer and Annan.
However many of the eyes will be on the top divisions where Celtic host double-winners St Johnstone, Hibs travel to under-fire Aberdeen and second-placed Hearts host Dundee in a particularly fiery encounter.
Dundee United and Motherwell will seek to continue their strong starts to the season and Livingston are in the Highlands to face Ross County.
Match of the day in the second tier sees leaders Inverness head to Fife to play second-placed Raith Rovers in Kirkcaldy.
Here’s a look at all the referees taking charge of games in the Premiership and Championship this weekend.