Billy McKay gave Dundee United the lead before the conceded twice in a 2-1 loss against Alan Mannus’ St Johnstone.
Liam Boyce won and scored a penalty as Ross County beat Motherwell 3-0.
Chris Brunt set up James Morrison with a brilliantly placed free kick as West Brom beat Arsenal 2-1.
Niall McGinn assisted Kenny McLean as Aberdeen drew 1-1 with Michael McGovern’s Hamilton.
Billy McKay scored for Dundee United
Liam Boyce continued his good form this season