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Switzerland's youngest players during the 1928 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 |
|---|---|---|---|
| Andre Abegglen | 18:243 | 6818 | 06 Nov 1927v Sweden |
| Frank Séchehaye | 20:3 | 7308 | 06 Nov 1927v Sweden |
| Willy Jäggi | 21:100 | 7771 | 06 Nov 1927v Sweden |
| Raymond Passello | 23:93 | 8494 | 15 Apr 1928v Germany |
| Walter Weiler | 24:58 | 8824 | 01 Jan 1928v Italy |