Scottish Championship - Friday
Ayr United v Heart of Midlothian - Steven McLean (BBC Scotland, 7.45pm)
Scottish Premiership - Saturday
Celtic v Motherwell - Nick Walsh
Hibernian v Aberdeen - William Collum
Livingston v St Johnstone - Euan Anderson
Ross County v Dundee United - Grant Irvine
St Mirren v Kilmarnock - John Beaton
Scottish Championship - Saturday
Alloa Athletic v Queen of the South - Gavin Duncan
Arbroath v Dunfermline Athletic - Craig Napier
Dundee v Inverness Caledonian Thistle - Steven Kirkland
Greenock Morton v Raith Rovers - Chris Graham
Scottish Premiership - Sunday
Hamilton Academical v Rangers - Bobby Madden (Sky Sports, 12 noon)
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