| Player | Position | Former club | Club joined | League | Nationality |
|---|---|---|---|---|---|
| Mako Vunipola | Prop | Vannes | Leicester | Premiership |  English |
| Nicky Smith | Prop | Leicester | Sale | Premiership |  Welsh |
| Tom West | Prop | Northampton | Newcastle | Premiership | English |
| Jamie Bhatti | Prop |  |
Bath | Premiership |  Scottish |
| Marco Fepulea'i | Prop | Bayonne |  |
Premiership |  Samoan |
| Elliot Millar-Mills | Prop | Northampton | Newcastle | Premiership | Scottish |
| Jordan Els | Prop |  |
Northampton | Premiership |  South African |
| Eliot Salt | Prop | Coventry | |
Premiership | English |
| Archie McArthur | Prop | |
Exeter | Premiership | English |
| Nika Abuladze | Prop | Montpellier | Exeter | Premiership |  Georgian |
| Francisco Moreno | Prop |  |
Newcastle | Premiership |  Argentinian |
| Diamond Ayiehfor | Prop | Nottingham | Leicester | Premiership | English |