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Switzerland's oldest 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 given in days, and in years and days, from their date of birth.
| Player | Age (Y:d) | Age (days) | Match |
|---|---|---|---|
| Walter Weiler | 24:128 | 8894 | 11 Mar 1928v France |
| Raymond Passello | 23:93 | 8494 | 15 Apr 1928v Germany |
| Willy Jäggi | 21:282 | 7953 | 06 May 1928v Netherlands |
| Frank Séchehaye | 20:185 | 7490 | 06 May 1928v Netherlands |
| Andre Abegglen | 18:299 | 6874 | 01 Jan 1928v Italy |