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.

Former Leinster and Leicester Tiger hooker Gavin Hickie will start in the middle of the front row as St Mary's College go about maintaining their 100% start to the AIB League on the road to UL-Bohemian in round five on Saturday.

Blackrock College co-coaches Barry Gibney and Emmett Farrell bring in prop Sean Byrne to tight-head as their only change to the leaders' side to play Clontarf at Castle Avenue.

Leaders Blackrock College will be looking to their Leinster Academy backs, like Niall Morris, Brendan Macken, Kyle Tonetti, Andrew Conway and Dave Moore, to open up Cork Constitution at Stradbrook.

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.

Cork Constitution will give an AIL debut to possible Ireland Under-20 second row Brian Hayes at home to UL-Bohemian at Temple Hill tomorrow.

THERE are few fixtures more compelling for sheer atmosphere than the Leinster Schools Senior Cup final sponsored by Powerade, which this year moves to a new home at the RDS.