Ladbrokes Premiership - Saturday
Celtic v Livingston - Nick Walsh
Hamilton Academical v Heart of Midlothian - Andrew Dallas
Kilmarnock v St Johnstone - John Beaton
St Mirren v Dundee - Alan Muir
Ladbrokes Championship - Saturday
Ayr United v Partick Thistle - Craig Thomson
Dundee United v Dunfermline Athletic - Willie Collum
Falkirk v Inverness Caledonian Thistle - Steven McLean
Morton v Queen of the South - Gavin Duncan
Ross County v Alloa Athletic - Mike Roncone
Ladbrokes League 1 - Saturday
East Fife v Dumbarton - Grant Irvine
Forfar Athletic v Airdrieonians - Graham Beaton
Montrose v Arbroath - Alan Newlands
Stenhousemuir v Brechin City - Barry Cook
Stranraer v Raith Rovers - David Lowe
Ladbrokes League 2 - Saturday
Annan Athletic v Elgin City - Craig Napier
Berwick Rangers v Stirling Albion - Chris Graham
Clyde v Cowdenbeath - Duncan Smith
Edinburgh City v Albion Rovers - Duncan Williams
Peterhead v Queen's Park - Kevin Graham
Ladbrokes Premiership - Sunday
Aberdeen v Rangers - Kevin Clancy (Sky Sports, 1.00pm)
Hibernian v Motherwell - Bobby Madden