The Buddies have been hit by a serious injury blow after key striker Jonah Ayunga was ruled out for the rest of the season.
The St Mirren forward has enjoyed a brilliant debut season in the stripes, netting seven times including huge goals against Celtic and Rangers.
The 25-year-old, who joined the Saints in the summer after leaving Morecambe, hobbled off with a knee complaint during the Paisley club's 1-0 win against Motherwell last week.
