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Switzerland's youngest players during the 1955 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 |
|---|---|---|---|
| Roger Vonlanthen | 23:288 | 8689 | 19 Sep 1954v Denmark |
| Eugen Meier | 24:142 | 8908 | 19 Sep 1954v Denmark |
| Josef Hugi | 24:239 | 9005 | 19 Sep 1954v Denmark |
| Charles Antenen | 24:320 | 9086 | 19 Sep 1954v Denmark |
| Willy Kernen | 25:43 | 9175 | 19 Sep 1954v Denmark |
| Eugene Parlier | 25:217 | 9349 | 19 Sep 1954v Denmark |
| Robert Ballaman | 28:111 | 10338 | 10 Oct 1954v Hungary |
| Heinz Bigler | 29:179 | 10772 | 19 Jun 1955v Spain |
| Jacques Fatton | 29:181 | 10774 | 19 Jun 1955v Spain |
| Georges Stuber | 29:354 | 10947 | 01 May 1955v Austria |
| Willi Steffen | 30:44 | 11002 | 01 May 1955v Austria |
| Andre Neury | 33:15 | 12069 | 19 Sep 1954v Denmark |
| Oliver Eggimann | 35:234 | 13018 | 19 Sep 1954v Denmark |