URC: Wales prop Keiron Assiratti returns from a calf injury for Cardiff at Ospreys

Ospreys: Walsh (co-capt); Hopkins, Watkin, K Williams, Giles; Edwards, Hardy; G Phillips, Parry (co-capt), Botha, R Davies, R Smith, Ratti, Deaves, Morris.

Replacements: Lake; S Thomas, Henry, Fender, Morse, G Evans, P Cokanasiga, Nagy.

Cardiff: Winnett; Adams, Millard, B Thomas, Grady; Sheedy, Mulder; Southworth, Belcher (capt), Assiratti, McNally, Nott, Mann, D Thomas, Lawrence.

Replacements: E Lloyd, Barratt, Sebastian, Thornton, Botham, Faletau, A Davies, Beetham.

Referee: Adam Jones (WRU)

Assistant referees: Ben Breakspear (WRU), Amber Stamp-Dunstan (WRU)

TMO: Craig Evans (WRU).