St Mirren v Ross County: Team news
Stephen Robinson has made just one change from Wednesday night's victory over St Johnstone.
Charles Dunne drops out with an injury and Richard Taylor starts in his place.
Ross County have made three changes from their 0-0 draw with Hibs in midweek.
Ryan Leak misses out completely through illness while Ronan Hale and Aidan Denholm drop to the bench.
Jack Grieves, Josh Nisbet and Josh Reid are in from the start.