| 100% | LAIDLAW | 7 | Greig —, rugby union scrum-half whose 2010 Scotland Test debut was against New Zealand |
| 68% | ATTWOOD | 7 | Dave —, rugby union lock whose 2010 England Test debut was against New Zealand |
| 62% | RORYBEST | 8 | Rugby union hooker whose 2005 Ireland Test debut was against New Zealand |
| 56% | TAWERA | 6 | & 10D Rugby union scrum-half; 2012 New Zealand Test debutant against Scotland (6,4-6) |
| 56% | EASTERBY | 8 | Guy —, rugby union scrum-half whose 2000 Ireland Test debut was against USA |
| 55% | SEANLINEEN | 10 | Rugby union centre whose 1989 Scotland Test debut was against Wales |
| 53% | LOUREED | 7 | Rugby union lock whose 2012 Wales Test debut was against Scotland |
| 52% | BRACKEN | 7 | Kyran —, rugby union scrum half; 1993 England Test debutant against New Zealand |
| 52% | TUKALO | 6 | Iwan —, rugby union wing whose 1985 Scotland Test debut was against Ireland |
| 51% | YOUNGS | 6 | Ben —, rugby union scrum-half; 2010 England Test debutant against Scotland |
| 51% | GOING | 5 | Sid —, rugby union scrum-half; 1967 New Zealand Test debutant against Australia |
| 50% | REES | 4 | Tom —, rugby union back-rower whose 2007 England Test debut was against Scotland |
| 49% | LEAWERE | 7 | Kele —, rugby union lock whose 2002 Fiji Test debut was against Scotland |
| 49% | DAUGA | 5 | Benoit —, rugby union lock whose 1964 France Test debut was against Scotland |
| 49% | BACK | 4 | Neil —, rugby union flanker whose 1994 England Test debut was against Scotland |
| 48% | GREIGLAIDLAW | 12 | Scrum-half; 2010 Scotland Test debutant against New Zealand |
| 48% | FLOOD | 5 | Toby —, rugby union fly-half whose 2006 England Test debut was against Argentina |
| 48% | LYNAGH | 6 | Michael —, rugby union fly-half whose 1984 Australia Test debut was against Fiji |
| 47% | DOUGIEFIFE | 10 | Former Edinburgh Rugby wing whose 2014 Scotland Test debut was against Wales |
| 46% | CATT | 4 | Mike —, rugby union utility back whose 1994 England Test debut was against Wales |
| 46% | REEVE | 5 | D A —, cricketer whose 1992 England Test debut was against New Zealand at Christchurch |
| 44% | WILLIEJOHN | 10 | & 4D Rugby union lock whose 1962 Ireland Test debut was against England |
| 43% | OREILLY | 7 | Tony —, rugby union wing whose 1955 Ireland Test debut was against France |
| 43% | SELLA | 5 | Philippe —, rugby union centre whose 1982 France Test debut was against Romania |
| 43% | PRICE | 5 | Graham —, rugby union prop whose 1975 Wales Test debut was against France |
| 43% | UTTLEY | 6 | Roger —, rugby union lock whose 1973 England Test debut was against Ireland |
| 43% | MASO | 4 | Jo —, rugby union centre whose 1966 France Test debut was against Italy |
| 43% | ORR | 3 | Phil —, rugby union prop whose 1976 Ireland Test debut was against France |