For the minute before Wayne Barnes starts the match, silence will be observed in memory of the late David Noble who passed away earlier this week. There will be few in the ground tonight who hadn't come across David Noble - a gentleman who plied his trade under his own McScrum trademark - selling rugby merchandise, outside grounds the world over.
Ar dheis Dé go raibh a anam
A victory for either side will see them go top of the Magners League, kick off is at 730pm.
Meanwhile, there are no surprises in either side named yesterday. Stephen Keogh set to front up against his former Munster team-mates while Kieran Lewis will do likewise after being named on the Munster wing in place of the injured Brian Carney.
Another former Leinster player Niall Ronan, is named on the Munster bench after producing an outstanding display against Newprt-Gwent Dragons last weekend while there is a welcome return to a Munster match day squad for Barry Murphy who will sit alongside Ronan on the bench.
Munster: S Payne; K Lewis, R Tipoki, L Mafi, I Dowling; R O'Gara capt, P Stringer; M Horan, J Flannery, J Hayes, D O'Callaghan, M O'Driscoll; D Ryan, D Wallace, D Leamy. Replacements: F Sheahan, T Buckley, A Foley, N Ronan, G Hurley, P Warwick, B Murphy.
Leinster: R Kearney; S Horgan, B O'Driscoll capt, G D'Arcy, L Fitzgerald; F Contepomi, C Willis; O Le Roux, B Jackman, S Wright; L Cullen, M O'Kelly; S Keogh, S Jennings, J Heaslip. Replacements: B Blaney, C Healy, C Jowett, K Gleeson, C Keane, J Sexton, G Brown.