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Czechoslovakia's youngest players during the 1934 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 |
|---|---|---|---|
| Jaroslav Boucek | 21:131 | 7802 | 25 Mar 1934v France |
| Vlastimil Kopecky | 21:196 | 7867 | 29 Apr 1934v Hungary |
| Vaclav Horak | 21:213 | 7884 | 29 Apr 1934v Hungary |
| Oldrich Rulc | 22:173 | 8209 | 17 Sep 1933v Austria |
| Jiri Sobotka | 22:292 | 8328 | 25 Mar 1934v France |
| Oldrich Nejedly | 23:223 | 8624 | 06 Aug 1933v Yugoslavia |
| Josef Kostalek | 24:206 | 8972 | 25 Mar 1934v France |
| Stefan Cambal | 24:232 | 8998 | 06 Aug 1933v Yugoslavia |
| Antonin Puc | 26:82 | 9579 | 06 Aug 1933v Yugoslavia |
| Frantisek Junek | 26:201 | 9698 | 06 Aug 1933v Yugoslavia |
| Josef Ctyroky | 26:310 | 9807 | 06 Aug 1933v Yugoslavia |
| Jaroslav Burgr | 27:152 | 10014 | 06 Aug 1933v Yugoslavia |
| Rudolf Krcil | 27:154 | 10016 | 06 Aug 1933v Yugoslavia |
| Frantisek Svoboda | 27:232 | 10094 | 25 Mar 1934v France |
| Frantisek Planicka | 29:64 | 10657 | 06 Aug 1933v Yugoslavia |
| Ladislav Zenisek | 30:52 | 11010 | 29 Apr 1934v Hungary |
| Josef Silny | 31:237 | 11560 | 17 Sep 1933v Austria |