| number | Wales | Ireland | England | Scotland | Italy | France |
|---|---|---|---|---|---|---|
| 1 | Nicky Smith | Andrew Porter | Ellis Genge | Pierre Schoeman | Danilo Fischetti | Jean-Baptiste Gros |
| 2 | Elliot Dee | Dan Sheehan | Luke Cowan-Dickie | Dave Cherry | Gianmarco Lucchesi | Peato Mauvaka |
| 3 | WillGriff John | Thomas Clarkson | Will Stuart | Zander Fagerson | Simone Ferrari | Uini Atonio |
| 4 | Will Rowlands | Joe McCarthy | Maro Itoje | Jonny Gray | Niccolo Cannone | Thibaud Flament |
| 5 | Dafydd Jenkins | Tadhg Beirne | Ollie Chessum | Grant Gilchrist | Federico Ruzza | Mickael Guillard |
| 6 | Jac Morgan | Peter O'Mahony | Tom Curry | Jamie Ritchie | Sebastian Negri | Francois Cros |
| 7 | Tommy Reffell | Josh van der Flier | Ben Earl | Rory Darge | Michele Lamaro | Paul Boudehent |
| 8 | Taulupe Faletau | Jack Conan | Tom Willis | Jack Dempsey | Lorenzo Cannone | Gregory Alldritt |
| 9 | Tomos Williams | Jamison Gibson-Park | Alex Mitchell | Ben White | Martin Page-Relo | Antoine Dupont |
| 10 | Gareth Anscombe | Sam Prendergast | Fin Smith | Finn Russell | Paolo Garbisi | Thomas Ramos |
| 11 | Ellis Mee | James Lowe | Ollie Sleightholme | Duhan van der Merwe | Simone Gesi | Louis Bielle-Biarrey |
| 12 | Ben Thomas | Robbie Henshaw | Henry Slade | Tom Jordan | Tommaso Menoncello | Yoram Moefana |
| 13 | Max Llewellyn | Garry Ringrose | Ollie Lawrence | Huw Jones | Juan Ignacio Brex | Pierre-Louis Barassi |
| 14 | Tom Rogers | Mack Hansen | Tommy Freeman | Kyle Rowe | Ange Capuozzo | Theo Attissogbe |
| 15 | Blair Murray | Jamie Osborne | Marcus Smith | Blair Kinghorn | Tommaso Allan | Leo Barre |
| 16 | Evan Lloyd | Gus McCarthy | Jamie George | Ewan Ashman | Giacomo Nicotera | Julien Marchand |
| 17 | Gareth Thomas | Jack Boyle | Fin Baxter | Rory Sutherland | Mirco Spagnolo | Cyril Baille |
| 18 | Henry Thomas | Finlay Bealham | Joe Heyes | Will Hurd | Giosue Zilocchi | Dorian Aldegheri |
| 19 | Teddy Williams | James Ryan | Ted Hill | Sam Skinner | Riccardo Favretto | Romain Taofifenua |
| 20 | Aaron Wainwright | Cian Prendergast | Chandler Cunningham-South | Gregor Brown | Manuel Zuliani | Alexandre Roumat |
| 21 | Rhodri Williams | Conor Murray | Ben Curry | Matt Fagerson | Ross Vintcent | Oscar Jegou |
| 22 | Jarrod Evans | Jack Crowley | Harry Randall | Jamie Dobie | Alessandro Garbisi | Anthony Jelonch |
| 23 | Joe Roberts | Bundee Aki | Elliot Daly | Stafford McDowall | Jacopo Trulla | Maxime Lucu |