Leicester Tigers

The Tigers have troubles; Lewis Moody is definitely out for the rest of season with a shoulder injury. He is recovering from an operation. Austin Healy made comeback playing for Leicester Extras against Northampton on 29 March. Scrum-half Harry Ellis requires a knee operation, and is rated as doubtful. Ollie Smith is out shoulder injury sustained at Newcastle. Graham Rowntree is rated as doubtful after the bruising RBS Six Nations battle with Ireland.

Munster

David Wallace will be unavailable with a shoulder injury.

Llanelli

Prop Marcus Thomas damaged his AC joint. Further tests required. Martyn Madden made a successful comeback for Wales against France, and will be included in the squad.

Perpignan

No injury problems reported.

Leinster Lions

Reggie Corrigan has a fractured wrist sustained against Italy, and is doubtful. Share Hogan -has a quadriceps strain he sustained in the test against Scottish match.

Biarritz Olympique

Prop Sotele Puleoto is out of contention for their trip to Pau on Saturday but other than that, the French champions are fighting fit.

Toulouse

Clement Poitrenaud (toe) and Xavier Garbajosa (knee) are both very doubtful. Nicolas Jeanjean is also in doubt - he is waiting for results on a knee scan. In the forwards, Isitolo Maka, who it was hoped would recover from his broken ankle bone in time for the quarter-final, will not make it, neither will prop Dragos Dima who underwent an operation on a slipped disc. Cedric Soulette is also still out with a calf problem. Outside half Yann Delaigue is fully fit, and will be available for selection.

Northampton Saints

Bruce Reihana and Chris Hyndman are both recovering from knee injuries, and will hope to be including in the squad.