Leaders St Mary's College will give a debut to scrum-half Cormac Quinn in a first versus second encounter with Blackrock College, who have been decimated by Magner's League and Ireland U19 commitments, at Templeville Road.

Cork Constitution will be looking to take revenge over Ballynahinch when they will meet in a an AIB Senior Cup second round repeat of last season’s final at Ballymacarn Park on Saturday.