Aberdeen are up to second place in the Premiership after a 1-0 win over Kilmarnock at Pittodrie on Saturday.
Peter Pawlett got the only goal midway through the second half as the Dons closed the gap on leaders Celtic - who travel to Dundee United on Sunday - to four points.
Hamilton Accies climbed to third spot thanks to a 1-0 victory over Ross County. Martin Canning's early goal at the Global Energy Stadium proved decisive.
Ian Baraclough made a winning start as Motherwell manager as the Steelmen overcame bottom club St Mirren 1-0 in Paisley. Saints had Steven Thompson sent off inside 20 minutes and John Sutton scored the only goal with 18 minutes left.
A 62nd-minute Brian Graham penalty was the difference as St Johnstone edged out Inverness Caley Thistle 1-0 at McDiarmid Park. Ross Draper saw red for the visitors five minutes after they had fallen behind.
Dundee earned a 1-1 draw against Partick Thistle at Firhill, courtesy of a last-minute own goal from Conrad Balatoni after James Craigen had given the Jags the lead.
