Buckley comes into the front-row in place of Academy player Stephen Archer who is named on the bench with Ronan in for the injured Nick Williams and another Academy player Kieran Essex, making way for Leamy.
For their part, London Irish, fresh from their victory in the Middlesex Sevens last weekend, have named a strong squad 12 of whom are full internationals and nine of those who were in the squad that won the Middlesex Sevens at Twickenham last Saturday.
Tickets are still available to purchase on line and from the Thomond Park Stadium and Munster Rugby Office (Tramore Rd.) and tickets will be on sale on the night of the game at the ground.
Munster: D Hurley; D Riordan, T Gleeson, P Warwick capt, D Barnes; J Manning, T Morland; D Ryan, D Varley, T Buckley; I Nagle, B Holland, T O'Donnell, N Ronan, D Leamy. Replacement (from): D Fogarty, J Brugnaut, R O'Mahony, S Archer, F Jones, S Deasy, P Stringer, E Grace, M O'Driscoll,
London Irish: D Armitage; A Thompstone, T Homer, C Gower, S Tagicakibau; R Lamb, P Richards; D Murphy, D Paice, P Ion; A Perry, K Roche; R Thorpe, S Armigage, C Hala'Ufia. (Replacements from): C Dermody; J Buckland; A Corbisiero; G Johnson; N Kennedy; P Hodgson; J Lennard; D Danaher; J Fisher; G Stowers; J Joseph; A Lalanne; M Watson.