Cork Constitution will take a wait-and-see approach to whether they can use Duncan Williams this weekend.

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.