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Switzerland's youngest players during the 1942 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 |
|---|---|---|---|
| Erwin Ballabio | 23:27 | 8428 | 16 Nov 1941v Hungary |
| Alfred Bickel | 23:198 | 8599 | 16 Nov 1941v Hungary |
| Eugen Walaschek | 25:148 | 9280 | 16 Nov 1941v Hungary |
| Lauro Amado | 29:246 | 10839 | 16 Nov 1941v Hungary |
| Georges Aeby | 31:67 | 11390 | 16 Nov 1941v Hungary |
| Severino Minelli | 32:113 | 11801 | 28 Dec 1941v Spain |
| August Lehmann | 32:294 | 11982 | 16 Nov 1941v Hungary |
| Hermann Springer | 32:347 | 12035 | 16 Nov 1941v Hungary |
| Adolf Stelzer | 33:75 | 12129 | 16 Nov 1941v Hungary |
| Sirio Vernati | 34:265 | 12684 | 01 Feb 1942v Germany |