St Mirren striker Kristian Dennis faces a lay-off after picking up an injury during the midweek defeat by Hibernian.
St Mirren boss Jim Goodwin has set out clear top-six targets for his players to ensure there is no Hampden hangover.
Livingston boss David Martindale has no injury concerns for the Betfred Cup semi-final against St Mirren on Sunday.
Michael O’Halloran returns from suspension for St Johnstone’s Scottish Premiership clash with St Mirren on Saturday.
St Mirren will be hoping new signing Collin Quaner can deliver the semi-final magic that made him a cult hero at Huddersfield.
St Mirren boss Jim Goodwin has been pleasantly surprised by the condition of new signing Collin Quaner.