Celtic are four points clear at the top of the Ladbrokes Premiership after beating Dundee 1-0 at Dens Park on Saturday.
Scott Brown got the only goal just after half-time as Brendan Rodgers' side maintained their unbeaten start to the season.
Aberdeen are up to second spot thanks to a 4-0 victory over Kilmarnock at Rugby Park. Adam Rooney bagged a double, one a penalty, with Andrew Considine and Ash Taylor also on target.
Fourth-placed St Johnstone defeated Ross County 2-0 at the Global Energy Stadium with goals from Danny Swanson (penalty) and Chris Kane.
First-half goals from Niko Kranjcar and Andy Halliday earned Rangers a 2-0 win against bottom club Partick Thistle at Ibrox.
Liam Polworth grabbed an injury-time equaliser as Inverness Caley Thistle earned a 1-1 draw at Hamilton Accies, who had gone ahead through Alex D'Acol.