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Poland's youngest players during the 1959 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 |
|---|---|---|---|
| Jan Liberda | 19:175 | 7115 | 20 May 1959v West Germany |
| Antoni Nieroba | 20:155 | 7460 | 21 Jun 1959v Israel |
| Fryderyk Monica | 21:244 | 7915 | 21 Jun 1959v Israel |
| Lucjan Brychczy | 24:93 | 8859 | 14 Sep 1958v Hungary |
| Henryk Szczepanski | 24:342 | 9108 | 14 Sep 1958v Hungary |
| Zbigniew Szarzynski II | 25:195 | 9327 | 21 Jun 1959v Israel |
| Krzysztof Baszkiewicz | 25:229 | 9361 | 05 Oct 1958v Republic of Ireland |
| Jerzy Wozniak | 25:260 | 9392 | 14 Sep 1958v Hungary |
| Ernest Pohl | 25:335 | 9467 | 05 Oct 1958v Republic of Ireland |
| Edward Szymkowiak | 26:184 | 9681 | 14 Sep 1958v Hungary |
| Witold Majewski | 28:31 | 10258 | 05 Oct 1958v Republic of Ireland |
| Marceli Strzykalski | 28:90 | 10317 | 20 May 1959v West Germany |
| Roman Korynt | 28:337 | 10564 | 14 Sep 1958v Hungary |
| Edmund Zientara | 29:231 | 10824 | 14 Sep 1958v Hungary |
| Tomasz Stefaniszyn | 30:103 | 11061 | 28 Jun 1959v Spain |
| Stanislaw Hachorek | 31:257 | 11580 | 05 Oct 1958v Republic of Ireland |