| number | Ireland | Scotland | Wales | Italy | France | England |
|---|---|---|---|---|---|---|
| 1 | Tom O'Toole | Pierre Schoeman | Rhys Carre | Danilo Fischetti | Jean-Baptiste Gros | Ellis Genge |
| 2 | Dan Sheehan | George Turner | Dewi Lake | Giacomo Nicotera | Julien Marchand | Jamie George |
| 3 | Tadhg Furlong | Zander Fagerson | Tomas Francis | Muhamed Hasa | Dorian Aldegheri | Joe Heyes |
| 4 | Joe McCarthy | Max Williamson | Dafydd Jenkins | Niccolo Cannone | Thibaud Flament | Maro Itoje |
| 5 | Tadhg Beirne | Grant Gilchrist | Ben Carter | Federico Ruzza | Emmanuel Meafou | Alex Coles |
| 6 | Jack Conan | Matt Fagerson | Alex Mann | Michele Lamaro | François Cros | Ollie Chessum |
| 7 | Josh van der Flier | Rory Darge | James Botham | Manuel Zuliani | Temo Matiu | Guy Pepper |
| 8 | Caelan Doris | Jack Dempsey | Aaron Wainwright | Lorenzo Cannone | Charles Ollivon | Ben Earl |
| 9 | Jamison Gibson-Park | Ben White | Tomos Williams | Alessandro Fusco | Antoine Dupont | Ben Spencer |
| 10 | Jack Crowley | Finn Russell | Dan Edwards | Paolo Garbisi | Matthieu Jalibert | Fin Smith |
| 11 | Tommy O'Brien | Kyle Steyn | Josh Adams | Monty Ioane | Louis Bielle-Biarrey | Cadan Murley |
| 12 | Stuart McCloskey | Sione Tuipulotu | Joe Hawkins | Tommaso Menoncello | Yoram Moefana | Seb Atkinson |
| 13 | Garry Ringrose | Huw Jones | Eddie James | Nacho Brex | Pierre-Louis Barassi | Tommy Freeman |
| 14 | Robert Baloucoune | Darcy Graham | Ellis Mee | Louis Lynagh | Theo Attissogbe | Tom Roebuck |
| 15 | Jamie Osborne | Blair Kinghorn | Louis Rees-Zammit | Lorenzo Pani | Thomas Ramos | Elliot Daly |
| 16 | Ronan Kelleher | Ewan Ashman | Ryan Elias | Tommaso di Bartolomeo | Peato Mauvaka | Luke Cowan-Dickie |
| 17 | Michael Milne | Rory Sutherland | Nicky Smith | Mirco Spagnolo | Rodrigue Neti | Bevan Rodd |
| 18 | Finlay Bealham | D'arcy Rae | Archie Griffin | Giosue Zilocchi | Demba Bamba | Trevor Davison |
| 19 | Darragh Murray | Alex Craig | Adam Beard | Riccardo Favretto | Hugo Auradou | Chandler Cunningham-South |
| 20 | Nick Timoney | Magnus Bradbury | Olly Cracknell | Davide Odiase | Mickael Guillard | Sam Underhill |
| 21 | Craig Casey | George Horne | Kieran Hardy | Steve Varney | Joshua Brennan | Henry Pollock |
| 22 | Ciaran Frawley | Kyle Rowe | Jarrod Evans | Leonardo Marin | Baptiste Serin | Jack van Poortvliet |
| 23 | Bundee Aki | Tom Jordan | Blair Murray | Tommaso Allan | Emilien Gailleton | Marcus Smith |