Leinster: Ciaran Frawley; Jordan Larmour, Jamie Osborne, Robbie Henshaw, Jimmy O’Brien; Ross Byrne, Luke McGrath; Andrew Porter, Rónan Kelleher, Tadhg Furlong, Ross Molony, Jason Jenkins, Ryan Baird, Will Connors, Caelan Doris (capt).
Replacements: Dan Sheehan, Michael Milne, Thomas Clarkson, Jack Conan, Josh van der Flier, Jamison Gibson-Park, Charlie Ngatai, Tommy O’Brien.
Ospreys: Max Nagy; Luke Morgan, Owen Watkin, Keiran Williams, Keelan Giles; Dan Edwards, Reuben Morgan-Williams; Nicky Smith, Dewi Lake, Rhys Henry, James Ratti, Huw Sutton, Harri Deaves, Justin Tipuric (capt), Morgan Morris.
Replacements: Sam Parry, Gareth Thomas, Tom Botha, Victor Sekekete, Jac Morgan, Luke Davies, Jack Walsh, Evardi Boshoff.
Referee: Sam Grove-White (SRU)
Assistant referees: Keane Davison & Oisin Quinn (IRFU)
TMO: Andrew McMenemy (IRFU).