Ospreys have called upon a number of Wales Six Nations winners with George North, Adam Beard and Justin Tipuric all included in Toby Booth’s team to face Cardiff Blues.
Owen Lane moves into the Cardiff midfield wearing the No 13 jersey with second row Jamie Ratti positioned at No 8 for the first time.
Ospreys: Dan Evans, George North, Owen Watkin, Keiran Williams, Mat Protheroe, Josh Thomas, Matthew Aubrey, Nicky Smith, Ifan Phillips, Tom Botha, Adam Beard, Rhys Davies, Ethan Roots, Justin Tipuric (CAPT), Morgan Morris
Replacements: Sam Parry, Jordan Lay, Rhys Henry, Bradley Davies, Sam Cross, Reuben Morgan-Williams, Joe Hawkins, Cai Evans.
Cardiff Blues: B Thomas; J Harries, O Lane, M Llewellyn, H Amos; J Tovey, L Jones; R Gill, K Myhill (CAPT), K Assiratti, B Murphy, R Thornton, A Lawrence, G Bradley, J Ratti.
Replacement: L Belcher, R Carré, W Davies-King, T Williams, O Robinson, E Bevan, D Fish, I Feyi-Waboso
Ospreys v Cardiff Blues – KO 17:15
Liberty Stadium, Swansea
Referee: Sam Grove-White (SRU, 14th competition game)
Assistant Referees: Adam Jones, Mike English (both WRU)
TMO: Jon Mason (WRU)
Live on Premier Sports 1, Super Sport (SA), ESPN+ (USA), pro14.tv.
Deferred Coverage: 20:35 S4C