#4. ITALY – 6 players
| PLAYER | BORN | TRAINED | POS | ELIGIBILITY | OTHER REP. |
| Marco Manfredi | Germany | Italy | HK | Parent | – |
| Sebastian Negri | Zimbabwe | South Africa | FL | Parent | – |
| Jake Polledri | England | England | FL | Grandparent | – |
| Stephen Varney | Wales | Wales | SH | Parent | – |
| Juan Ignacio Brex | Argentina | Argentina | CE | Grandparent | Argentina u19, u20, 7s, XV |
| Ange Capuozzo | France | France | FB | Parent | – |
#3. WALES – 7 players
| PLAYER | BORN | TRAINED | POS | ELIGIBILITY | OTHER REP. |
| Bradley Roberts | South Africa | South Africa | HK | Grandparent | – |
| Tomas Francis | England | England | TH | Grandparent | – |
| Taulupe Faletau | Tonga | Wales | N8 | Residency (2001) | – |
| Christ Tshiunza | DR Congo | Wales | LO | Residency (2015) | – |
| George North | England | Wales | CE | Parent | – |
| Nick Tompkins | England | England | CE | Grandparent | England u18, u20, Saxons |
| Alex Cuthbert | England | England | WI | Parent | – |