How old were they?

Kazimierz Deyna

MF · Born October 23, 1947

Age in each playoff game

1. 1974 Group stage (June 15, 1974), Poland vs Argentina 3–2: 26 years, 235 days
2. 1974 Group stage (June 19, 1974), Poland vs Haiti 7–0: 26 years, 239 days
3. 1974 Group stage (June 23, 1974), Poland vs Italy 2–1: 26 years, 243 days
4. 1974 Second group stage (June 26, 1974), Poland vs Sweden 1–0: 26 years, 246 days
5. 1974 Second group stage (June 30, 1974), Poland vs Yugoslavia 2–1: 26 years, 250 days
6. 1974 Second group stage (July 3, 1974), Poland vs West Germany 0–1: 26 years, 253 days
7. 1974 Third-place match (July 6, 1974), Poland vs Brazil 1–0: 26 years, 256 days
8. 1978 Group stage (June 1, 1978), Poland vs West Germany 0–0: 30 years, 221 days
9. 1978 Group stage (June 6, 1978), Poland vs Tunisia 1–0: 30 years, 226 days
10. 1978 Group stage (June 10, 1978), Poland vs Mexico 3–1: 30 years, 230 days
11. 1978 Second group stage (June 14, 1978), Poland vs Argentina 0–2: 30 years, 234 days
12. 1978 Second group stage (June 18, 1978), Poland vs Peru 1–0: 30 years, 238 days
13. 1978 Second group stage (June 21, 1978), Poland vs Brazil 1–3: 30 years, 241 days

Age in each season

1. 1974 (Poland): 26 years, 233 days to 26 years, 257 days
2. 1978 (Poland): 30 years, 221 days to 30 years, 245 days