Prop Sean Brophy and centre James Downey will return from Leinster duty for Clontarf for their cross-town journey to UCD.
Dave McAllister had mended from an injury to slot in at out-half, releasing Conor Mahony back into the centre. Dave Moore reverts to number eight in place of Bruce Wood..
Clontarf (v UCD): D O'Shea; N O’Brien, C Mahony, J Downey, D McElligott; D McAllister, B Wakely; J Wickham, N Carson, S Brophy, J Duffy, A Wood, D Quinn, S O'Donnell, D Moore.