There are two big games in the Ladbrokes Championship on Tuesday evening, with midweek action at Cappielow and Tannadice.
Morton welcome St Mirren to Greenock for a crucial Renfrewshire derby - a home win would see Jim Duffy's side climb to second in the table while a victory for Jack Ross' team would lift them above Raith Rovers and out of the relegation zone.
Morton go into the game on the back of a 1-1 draw with leaders Hibernian while St Mirren drew 1-1 against Dumbarton at the Paisley 2021 Stadium on Saturday.
The first derby of the season ended 1-1 in Paisley on the opening day and it was the same outcome on Hogmanay but Morton ran out 3-1 winners at Cappielow in November.
Dundee United and Dunfermline Athletic go head to head on Tayside, with United knowing a win could take them up to third place depending on the Morton result.
Ray McKinnon’s men drew 1-1 with Falkirk at the weekend while the Pars defeated Raith Rovers 1-0 at East End Park – another win tonight will see them claim fifth spot.
