| number | France | Ireland | Italy | England | Wales | Scotland |
|---|---|---|---|---|---|---|
| 1 | Cyril Baille | Andrew Porter | Danilo Fischetti | Joe Marler | Corey Domachowski | Pierre Schoeman |
| 2 | Peato Mauvaka | Dan Sheehan | Gianmarco Lucchesi | Jamie George | Ryan Elias | George Turner |
| 3 | Uini Atonio | Tadhg Furlong | Pietro Ceccarelli | Will Stuart | Leon Brown | Zander Fagerson |
| 4 | Paul Gabrillagues | Joe McCarthy | Niccolo Cannone | Maro Itoje | Dafydd Jenkins | Richie Gray |
| 5 | Paul Willemse | Tadhg Beirne | Federico Ruzza | Ollie Chessum | Adam Beard | Scott Cummings |
| 6 | Francois Cros | Peter O'Mahony | Sebastian Negri | Ethan Roots | James Botham | Luke Crosbie |
| 7 | Charles Ollivon | Josh van der Flier | Michele Lamaro | Sam Underhill | Tommy Reffell | Jamie Ritchie |
| 8 | Gregory Alldritt | Caelan Doris | Lorenzo Cannone | Ben Earl | Aaron Wainwright | Matt Fagerson |
| 9 | Maxime Lucu | Jamison Gibson-Park | Alessandro Garbisi | Alex Mitchell | Gareth Davies | Ben White |
| 10 | Matthieu Jalibert | Jack Crowley | Paolo Garbisi | George Ford | Sam Costelow | Finn Russell |
| 11 | Yoram Moefana | James Lowe | Monty Ioane | Elliot Daly | Rio Dyer | Duhan van der Merwe |
| 12 | Jonathan Danty | Bundee Aki | Tommaso Menoncello | Fraser Dingwall | Nick Tompkins | Sione Tuipulotu |
| 13 | Gael Fickou | Robbie Henshaw | Juan Ignacio Brex | Henry Slade | Owen Watkin | Huw Jones |
| 14 | Damian Penaud | Calvin Nash | Lorenzo Pani | Tommy Freeman | Josh Adams | Kyle Steyn |
| 15 | Thomas Ramos | Hugo Keenan | Tommaso Allan | Freddie Steward | Cameron Winnett | Kyle Rowe |
| 16 | Julien Marchand | Ronan Kelleher | Giacomo Nicotera | Theo Dan | Elliot Dee | Ewan Ashman |
| 17 | Reda Wardi | Cian Healy | Mirco Spagnolo | Beno Obano | Kemsley Mathias | Alec Hepburn |
| 18 | Dorian Aldegheri | Finlay Bealham | Giosue Zilocchi | Dan Cole | Keiron Assiratti | Elliot Millar-Mills |
| 19 | Posolo Tuilagi | James Ryan | Andrea Zambonin | Alex Coles | Teddy Williams | Sam Skinner |
| 20 | Cameron Woki | Ryan Baird | Alessandro Izekor | Chandler Cunningham-South | Alex Mann | Jack Dempsey |
| 21 | Paul Boudehent | Jack Conan | Manuel Zuliani | Danny Care | Tomos Williams | George Horne |
| 22 | Nolann Le Garrec | Conor Murray | Stephen Varney | Fin Smith | Ioan Lloyd | Ben Healy |
| 23 | Louis Bielle-Biarrey | Ciaran Frawley | Federico Mori | Immanuel Feyi-Waboso | Mason Grady | Cameron Redpath |