All four of the Irish provinces have named their teams for this weekend's Champions Cup kick-off matches.
Ulster get the action for the weekend underway when they face Bath in Iain Henderson's first European game as captain.
Then it's on to Leinster against Benetton, where last year's beaten finalists will be looking to start their campaign well.
The final match on Saturday is Munster's trip to Swansea where they face an Ospreys side who are floundering in the Pro14 so far.
And on Sunday, we have arguably the most interesting clash as Montpellier, midtable in the Top 14, travel to face Connacht.
Ulster (v Bath): 15. Will Addison, 14. Rob Lyttle, 13. Luke Marshall, 12. Stuart McCloskey, 11. Jacob Stockdale, 10. Billy Burns, 9. John Cooney, 1. Jack McGrath, 2. Rob Herring, 3. Marty Moore, 4. Iain Henderson (c), 5. Sam Carter, 6. Matt Rea, 7. Jordi Murphy, 8. Marcell Coetzee.
Replacements: 16. Adam McBurney, 17. Eric O'Sullivan, 18. Tom O'Toole, 19. Alan O'Connor, 20. Sean Reidy, 21. David Shanahan, 22. Angus Curtis, 23. Louis Ludik
Leinster (v Benetton): 15. Jordan Larmour, 14. Dave Kearney, 13. Garry Ringrose, 12. Joe Tomane, 11. James Lowe, 10. Johnny Sexton (c), 9. Luke McGrath, 1. Cian Healy, 2. Ronan Kelleher, 3. Andrew Porter, 4. Devin Toner, 5. James Ryan, 6. Rhys Ruddock, 7. Josh van der Flier, 8. Caelan Doris.
Replacements: 16. James Tracy, 17. Peter Dooley, 18. Michael Bent, 19. Scott Fardy, 20. Max Deegan, 21. Jamison Gibson-Park, 22. Ross Byrne, 23. Rory O'Loughlin
Munster (v Ospreys): 15. Mike Haley, 14. Andrew Conway, 13. Chris Farrell, 12. Rory Scannell, 11. Keith Earls, 10. Tyler Bleyendaal, 9. Conor Murray, 1. Jeremy Loughman, 2. Niall Scannell, 3. John Ryan, 4. Jean Kleyn, 5. Billy Holland, 6. Peter O'Mahony (c), 7. Tommy O'Donnell, 8. CJ Stander.
Replacements: 16. Kevin O'Byrne, 17. James Cronin, 18. Stephen Archer, 19. Tadhg Beirne, 20. Arno Botha, 21. Alby Mathewson, 22. Sam Arnold, 23. Dan Goggin
Connacht (v Montpellier): 15. Darragh Leader, 14. Niyi Adeolokun, 13. Kyle Godwin, 12. Bundee Aki, 11. Matt Healy, 10. Jack Carty, 9. Caolin Blade, 1. Denis Buckley, 2. Tom McCartney, 3. Dominic Robertson-McCoy, 4. Cillian Gallagher, 5. Ultan Dillane, 6. Colby Fainga'a, 7. Jarrad Butler (c), 8. Paul Boyle
Replacements: 16. David Heffernan, 17. Matthew Burke, 18. Conor Kenny, 19. Eoghan Masterson, 20. Robin Copeland, 21. Stephen Kerins, 22. Tom Daly, 23. John Porch
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