| Player | Position | Former club | Club joined | League | Nationality |
|---|---|---|---|---|---|
| Rabah Slimani | Prop | Leinster | Toulon | Top 14 |  French |
| Fabrice Metz | Lock | Vannes | Stade Français | Top 14 | French |
| Enzo Forletta | Prop | Montpellier | USAP | Top 14 | French |
| Gaël Fickou | Centre |  |
Toulon | Top 14 | French |
| George Moala | Centre | Clermont | La Rochelle | Top 14 |  Tongan |
| Luke McGrath | Scrum-half | Leinster | USAP | Top 14 |  Irish |
| Christophe Loustalot | Scrum-half | Mont de Marsan | La Rochelle | Top 14 | French |
| Judicael Cancoriet | Back row | La Rochelle | Toulon | Top 14 | French |
| Cedate Gomes Sa | Prop | LOU | USAP | Top 14 | French |
| Reda Wardi | Prop | La Rochelle | Montpellier | Top 14 | French |
| Sione Mafileo | Prop |  |
Vannes | Top 14 |  New Zealander |
| Hamish Watson | Back row |  |
Castres | Top 14 |  Scottish |
| Ruben van Heerden | Lock |  |
Montpellier | Top 14 |  South African |
| Léo Berdeu | Fly-half | LOU | La Rochelle | Top 14 | French |
| Alexander Moon | Lock | Bayonne |  |
Top 14 |  English |
| Baptiste Pesenti | Lock | Stade Français | Pau | Top 14 | French |
| Huw Jones | Centre |  |
Toulon | Top 14 | Scottish |
| Matias Alemanno | Lock |  |
Vannes | Top 14 |  Argentinian |
| Pierre Popelin | Fly-half | Castres | Vannes | Top 14 | French |
| Ugo Boniface | Prop | |
Vannes | Top 14 | French |
| Madosh Tambwe | Wing | Montpellier | Bayonne | Top 14 | Congolais |
| Léo Coly | Scrum-half | Montpellier | Bayonne | Top 14 | French |
| Adam Hastings | Fly-half | |
Montpellier | Top 14 | Scottish |
| Killian Geraci | Lock | LOU | Bayonne | Top 14 | French |
| David Kriel | Centre |  |
La Rochelle | Top 14 | South African |
| Marco Riccioni | Prop |  |
USAP | Top 14 |  Italian |
| Braydon Maurice Ennor | Centre | Canterbury | USAP | Top 14 | New Zealander |
| Dalton Papali'i | Back row |  |
Castres | Top 14 | New Zealander |
| Giorgi Beria | Prop | USAP | Vannes | Top 14 | French |
| Dan du Plessis | Centre | |
|
Top 14 | South African |
| Murray Taulagi | Wing | North Queensland Cowboys | Vannes | Top 14 | New Zealander |
| Lachlan Swinton | Back row | |
USAP | Top 14 |  Australian |
| Paolo Garbisi | Fly-half | Toulon | USAP | Top 14 | Italian |
| Alex Burin | Prop | Agen | Castres | Top 14 | French |
| José Duarte Madeira | Lock | Grenoble | USAP | Top 14 |  Portuguese |
| Peniami Nasali Narisia | Hooker | Oyonnax | Clermont | Top 14 |  Fijian |
| Guillaume Cramont | Hooker |  |
Bayonne | Top 14 | French |
| Théo Vidal | Scrum-half | Albi | Castres | Top 14 | French |
| Etene Nanai-Seturo | Wing |  |
Clermont | Top 14 | New Zealander |
| Maëlan Rabut | Centre | Oyonnax | USAP | Top 14 | French |
| Ray Nu'u | Centre | Colomiers | Vannes | Top 14 | New Zealander |
| Ioane Iashagashvili | Back row | Mont de Marsan | Vannes | Top 14 |  Georgian |
| Ben Healy | Fly-half | |
La Rochelle | Top 14 | Scottish |
| Nathanael Hulleu | Wing | Castres | Vannes | Top 14 | French |
| Lasha Macharashvili | Prop | Agen | Bayonne | Top 14 | Georgian |
| Millenium Sanerivi | Hooker | Auckland | Vannes | Top 14 | New Zealander |
| Matteo Nocera | Prop | Zebre | LOU | Top 14 | Italian |
| Benjamin Boudou | Hooker | Brive | |
Top 14 | French |