The 33-29 bonus-point win art Cardiff City Stadium allowed the Ospreys to creep into the knock-out phase and earn a ticket to travel to Limerick to face the reigning champions on Friday night (7 June).
Owen Williams steps in to fill the No 10 jersey at Thomond Park with Luke Scully called-up to act as cover on the bench. Other than that, it is the same team that played last weekend. Wales U20 cap Morgan Morse is added to the back row replacements on the bench.
Ospreys: Max Nagy; Luke Morgan, Owen Watkin, Keiran Williams, Keelan Giles; Owen Williams, Reuben Morgan-Williams; Nicky Smith, Dewi Lake, Tom Botha, James Ratti, Huw Sutton, Jac Morgan, Justin Tipuric (captain), Morgan Morris
Reps: Sam Parry, Gareth Thomas, Rhys Henry, Victor Sekekete, Morgan Morse, Luke Davies, Luke Scully, Harri Houston