This is the list of foreign born players who are listed in the official 2015 Rugby World Cup squads for the major nations.
The data is taken from Wikipedia so please do not base any investments on this information.
Team No of players
New Zealand 5
South Africa 1
Nel (SA), Hardie (NZ), Denton (Zimbabwe), Strauss (SA), Hidalgo-Clyne (Spain), Pyrgos (Dorset), Maitland (NZ), Seymour (USA), Visser (Netherlands), Wilson (Aldershot), Swinson (London).
Francis (York), Jarvis (Exeter), Ball (Ascot), Charteris (Cornwall), King (Australia), Lydiate (Salford), Falatau (Tonga), Amos (Stockport), Cuthbert (Gloucester), North (King’s Lynn), Morgan (Reading).
Moore (Saudi Arabia), Mumm (NZ), Skelton (NZ), Pocock (Zimbabwe), Genia (Papua New Guinea), Cooper (NZ), Kuridrani (Fiji), Speight (Fiji), Tomane (NZ).
Debaty (Belgium), Dusautoir (Ivory Coast), Le roux (SA), Nyanga (Zaire), Ouagadougou (Burkino Faso), Kockott (SA), Guitoune (Algeria), Nakaitaci (Fiji), Spedding (SA).
Aguero (Argentina), Castrogiavanni (Argentina), Chistolini (SA), Furno (Australia), Geldenhuys (SA), Vunisa (Fiji), Parisee (Argentina), Garcia (Argentina), Mclean (Australia).
Strauss (SA), White (NZ), Murphy (Barcelona), Heaslip (Israel), Payne (NZ).
B Franks (Australia), Kerr-Barlow (Australia), Naholo (Fiji), Fekitoa (Tonga), Kaino (American Samoa).
M Vunipola (NZ), B Vunipola (Australia), Barritt (SA).