| number | Ireland | France | Scotland | Wales | England | Italy |
|---|---|---|---|---|---|---|
| 1 | Andrew Porter | Jean-Baptiste Gros | Pierre Schoeman | Nicky Smith | Ellis Genge | |
| 2 | Dan Sheehan | Peato Mauvaka | Dave Cherry | Elliot Dee | Jamie George | |
| 3 | Finlay Bealham | Uini Atonio | Zander Fagerson | WillGriff John | Will Stuart | |
| 4 | Joe McCarthy | Thibaud Flament | Jonny Gray | Will Rowlands | Maro Itoje | |
| 5 | Tadhg Beirne | Mickael Guillard | Grant Gilchrist | Dafydd Jenkins | Ollie Chessum | |
| 6 | Peter O'Mahony | Francois Cros | Jamie Ritchie | Jac Morgan | Tom Curry | |
| 7 | Josh van der Flier | Paul Boudehent | Rory Darge | Tommy Reffell | Ben Earl | |
| 8 | Caelan Doris | Gregory Alldritt | Jack Dempsey | Taulupe Faletau | Tom Willis | |
| 9 | Jamison Gibson-Park | Antoine Dupont | Ben White | Tomos Williams | Alex Mitchell | |
| 10 | Sam Prendergast | Romain Ntamack | Finn Russell | Gareth Anscombe | Fin Smith | |
| 11 | James Lowe | Louis Bielle-Biarrey | Duhan van der Merwe | Ellis Mee | Ollie Sleightholme | |
| 12 | Bundee Aki | Yoram Moefana | Tom Jordan | Ben Thomas | Fraser Dingwall | |
| 13 | Robbie Henshaw | Pierre-Louis Barassi | Huw Jones | Max Llewellyn | Ollie Lawrence | |
| 14 | Jamie Osborne | Damian Penaud | Darcy Graham | Tom Rogers | Tommy Freeman | |
| 15 | Hugo Keenan | Thomas Ramos | Blair Kinghorn | Blair Murray | Elliot Daly | |
| 16 | Rob Herring | Julien Marchand | Ewan Ashman | Dewi Lake | Luke Cowan-Dickie | |
| 17 | Cian Healy | Cyril Baille | Rory Sutherland | Gareth Thomas | Fin Baxter | |
| 18 | Thomas Clarkson | Dorian Aldegheri | Will Hurd | Keiron Assiratti | Joe Heyes | |
| 19 | James Ryan | Emmanuel Meafou | Gregor Brown | Teddy Williams | Ted Hill | |
| 20 | Jack Conan | Hugo Auradou | Matt Fagerson | Aaron Wainwright | Chandler Cunningham-South | |
| 21 | Ryan Baird | Oscar Jegou | George Horne | Rhodri Williams | Ben Curry | |
| 22 | Conor Murray | Anthony Jelonch | Stafford McDowall | Jarrod Evans | Jack van Poortvliet | |
| 23 | Jack Crowley | Maxime Lucu | Kyle Rowe | Joe Roberts | Marcus Smith |