Contepomi passed the 800 career-point mark during last weekend's victory. Friday's game could mark Reggie Corrigan, Guy Easterby and Will Green's final professional game before their retirement.
Leinster squad to face Cardiff Blues:
FORWARDS: Reggie Corrigan, Cian Healy, Will Green, Stan Wright, Brian Blaney, Bernard Jackman, Owen Finegan, Trevor Hogan, Malcolm O'Kelly, Cameron Jowitt, Stephen Keogh, Keith Gleeson, Jamie Heaslip, Sean O'Brien
BACKS: Guy Easterby, Paul O'Donohoe, Chris Whitaker, Felipe Contepomi, Christian Warner, Gordon D'Arcy, Shane Horgan, Kieran Lewis, Denis Hickie, Rob Kearney, Girvan Dempsey, Luke Fitzg