Celtic came from behind to beat Ross County 2-1 in Dingwall on Tuesday and make it five wins out of five in the SPFL Development League.
Brian Graham gave the Staggies a first-half lead but Derk Boerrigter and Joe Thomson scored in the second half for the visitors.
Kilmarnock hit back to defeat Dundee United 3-1 at Rugby Park with goals from Scott McLean, Conrad Balatoni and Adam Frizzell after Justin Johnson had scored in the first half for United.
Scott Shepherd and Thomas Grant were on target as Falkirk beat Dundee 2-0 at Links Park while Motherwell and Dunfermline drew 1-1 at Broadwood - Paul Joseph Crossan scored for the Pars but Ryan Watters equalised late on.
On Monday, Hearts and St Mirren drew 1-1 at Ochilview. Billy King gave Hearts the lead but Lewis Morgan earned Saints a point.
In Wednesday's match, Hamilton Accies recovered from the loss of an Islam Feruz goal to beat Hibernian 2-1 at New Douglas Park. All the goals came early in the second half, with Marc Kelly and Ryan Tierney scoring for Accies.
Alloa and Stirling Albion are the top two in the Development League East, while Ayr United lead the way in the Development League West.
