Leinster A v Plymouth Albion, Donnybrook, Today 2.0.
Coach Girvan Dempsey has handed Garry Ringrose his British & Irish Cup debut.
The gifted Billy Dardis is set to wear fifteen as Cian Kelleher moves from full-back, where he has notched up five tries from the last two rounds, to the right wing.
The holders need to take all five points and for results elsewhere to go their way to earn a home quarter.
Leinster: B Dardis; C Kelleher, G Ringrose, S Crosbie, S Coghlan-Murray; C Marsh, L McGrath (capt); P Dooley, A Dundon, R Burke-Flynn, B Marshall, R Molony, J Coghlan, J van der Flier, P Timmins.
Plymouth: E Clements-Hill; M Kohler, T Howley-Berridge, M Koteczky, L Warner; L Rayner, C Setter; D Pullinger, S Matavesi (capt), T Fidler, N Patrick, R Oakley, R Langley, E Grace, I Grieve.