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.

Former Leicester Tigers hooker Gavin Hickie has returned to St Mary's College ahead of their season opener at home to Dublin rivals Clontarf at Templeville Road.

Teams for this weekend's All-Ireland League clashes.