Select season:
Wales's youngest players during the 1977 season, and their age in years and days on the occasion of their final appearance, starting or coming on as a substitute.
For each player age is measured in days, and in years and days, from their date of birth to the day of their first appearance.
| Player | Age (Y:d) | Age (days) | Match |
|---|---|---|---|
| Brian Flynn | 20:360 | 7665 | 06 Oct 1976v West Germany |
| Joey Jones | 21:216 | 7887 | 06 Oct 1976v West Germany |
| Peter Sayer | 21:332 | 8003 | 30 Mar 1977v Czechoslovakia |
| Mickey Thomas | 22:91 | 8127 | 06 Oct 1976v West Germany |
| Alan Curtis | 22:173 | 8209 | 06 Oct 1976v West Germany |
| Leighton James | 23:232 | 8633 | 06 Oct 1976v West Germany |
| Nick Deacy | 23:254 | 8655 | 30 Mar 1977v Czechoslovakia |
| Les Cartwright | 24:216 | 8982 | 06 Oct 1976v West Germany |
| Ian Evans | 24:250 | 9016 | 06 Oct 1976v West Germany |
| Terry Yorath | 26:193 | 9690 | 06 Oct 1976v West Germany |
| Leighton Phillips | 27:11 | 9873 | 06 Oct 1976v West Germany |
| Dave Roberts | 27:186 | 10048 | 31 May 1977v England |
| John Toshack | 27:240 | 10102 | 17 Nov 1976v Scotland |
| Dai Davies | 28:188 | 10415 | 06 Oct 1976v West Germany |
| Malcolm Page | 29:243 | 10836 | 06 Oct 1976v West Germany |
| John Mahoney | 30:16 | 10974 | 06 Oct 1976v West Germany |
| Rod Thomas | 30:78 | 11036 | 30 Mar 1977v Czechoslovakia |
| Arfon Griffiths | 35:44 | 12828 | 06 Oct 1976v West Germany |