Leinster-Wasps
Leinster
15. Joey Carbery; 14. Adam Byrne, 13. Garry Ringrose, 12. Robbie Henshaw, 11. Isa Nacewa; 10. Johnny Sexton, 9. Luke McGrath; 1. Jack McGrath, 2. Richardt Strauss, 3. Tadhg Furlong, 4. Devin Toner, 5. Hayden Triggs, 6. Dan Leavy, 7. Sean O'Brien, 8. Jack Conan
R: 16. James Tracy, 17. Cian Healy, 18. Michael Bent, 19. Ross Molony, 20. Josh van der Flier, 21. Jamison Gibson-Park, 22. Fergus McFadden, 23. Zane Kirchner
Wasps
15. Kurtley Beale; 14. Christian Wade, 13. Elliot Daly, 12. Jimmy Gopperth, 11. Willie Le Roux; 10. Danny Cipriani, 9. Dan Robson; 1. Matt Mullan, 2. Tommy Taylor, 3. Jake Cooper-Woolley, 4. Joe Launchbury, 5. Kearnan Myall, 6. James Haskell, 7. Thomas Young, 8. Nathan Hughes
R:16. Ashley Johnson, 17. Simon McIntyre, 18. Martin Moore, 19. Matt Symons, 20. Alex Rieder, 21. Joe Simpson, 22. Alapati Leiua, 23. Josh Bassett
Munster-Toulouse
Munster
15. Simon Zebo; 14. Darren Sweetnam, 13. Jaco Taute, 12. Rory Scannell, 11. Keith Earls; 10. Tyler Bleyendaal, 9. Conor Murray; 1. Dave Kilcoyne, 2. Niall Scannell, 3. John Ryan, 4. Donnacha Ryan, 5. Billy Holland, 6. Peter O'Mahony, 7. Tommy O'Donnell, 8. CJ Stander
R:16. Rhys Marshall, 17. James Cronin, 18. Stephen Archer, 19. Dave O'Callaghan, 20. Jack O'Donoghue, 21. Duncan Williams, 22. Francis Saili, 23. Andrew Conway
Toulouse
15. Maxime Médard; 14. Yoann Huget, 13. Florian Fritz, 12. Gael Fickou, 11. Paul Perez; 10. Jean-Marc Doussain, 9. Sébastien Bézy; 1. Cyril Baille, 2. Leonardo Ghiraldini, 3. Census Johnston, 4. Richie Gray, 5. Yoann Maestri, 6. Thierry Dusautoir, 7. Yacouba Camara, 8. Francois Cros
R:16. Julien Marchand, 17. Gurthro Steenkamp, 18. Dorian Aldegheri, 19. Talalelei Gray, 20. Piula Faasalele, 21. Joe Tekori, 22. Luke McAlister, 23. Arthur Bonneval
Saracens-Glasgow
Saracens
15. Alex Goode; 14. Chris Ashton, 13. Marcelo Bosch, 12. Brad Barritt, 11. Sean Maitland; 10. Owen Farrell, 9. Richard Wigglesworth; 1. Mako Vunipola, 2. Jamie George, 3. Juan Figallo, 4. Maro Itoje, 5. Jim Hamilton, 6. Michael Rhodes, 7. Jackson Wray, 8. Billy Vunipola
R:16. Schalk Brits, 17. Titi Lamositele, 18. Vincent Koch, 19. Kelly Brown, 20. Joel Conlon, 21. Ben Spencer, 22. Alex Lozowski, 23. Duncan Taylor
Glasgow
15. Stuart Hogg; 14. Tommy Seymour, 13. Alex Dunbar, 12. Peter Horne, 11. Lee Jones; 10. Finn Russell, 9. Henry Pyrgos; 1. Gordon Reid, 2. Fraser Brown, 3. Zander Fagerson, 4. Brian Alainu'uese, 5. Jonny Gray, 6. Robert Harley, 7. Ryan Wilson, 8. Adam Ashe
R:16. Corey Flynn, 17. Alex Allan, 18. Sila Puafisi, 19. Greg Peterson, 20. Chris Fusaro, 21. Ali Price, 22. Nick Grigg, 23. Rory Hughes