Mario Kempes
FW · Born July 15, 1954
Age in each playoff game
- 1974 Group stage (June 15, 1974), Argentina vs Poland 2–3: 19 years, 335 days
- 1974 Group stage (June 19, 1974), Argentina vs Italy 1–1: 19 years, 339 days
- 1974 Group stage (June 23, 1974), Argentina vs Haiti 4–1: 19 years, 343 days
- 1974 Second group stage (June 26, 1974), Argentina vs Netherlands 0–4: 19 years, 346 days
- 1974 Second group stage (June 30, 1974), Argentina vs Brazil 1–2: 19 years, 350 days
- 1974 Second group stage (July 3, 1974), Argentina vs East Germany 1–1: 19 years, 353 days
- 1978 Group stage (June 2, 1978), Argentina vs Hungary 2–1: 23 years, 322 days
- 1978 Group stage (June 6, 1978), Argentina vs France 2–1: 23 years, 326 days
- 1978 Group stage (June 10, 1978), Argentina vs Italy 0–1: 23 years, 330 days
- 1978 Second group stage (June 14, 1978), Argentina vs Poland 2–0: 23 years, 334 days
- 1978 Second group stage (June 18, 1978), Argentina vs Brazil 0–0: 23 years, 338 days
- 1978 Second group stage (June 21, 1978), Argentina vs Peru 6–0: 23 years, 341 days
- 1978 FIFA World Cup Final (June 25, 1978), Argentina vs Netherlands 3–1: 23 years, 345 days
- 1982 Group stage (June 13, 1982), Argentina vs Belgium 0–1: 27 years, 333 days
- 1982 Group stage (June 18, 1982), Argentina vs Hungary 4–1: 27 years, 338 days
- 1982 Group stage (June 23, 1982), Argentina vs El Salvador 2–0: 27 years, 343 days
- 1982 Second group stage (June 29, 1982), Argentina vs Italy 1–2: 27 years, 349 days
- 1982 Second group stage (July 2, 1982), Argentina vs Brazil 1–3: 27 years, 352 days
Age in each season
- 1974 (Argentina): 19 years, 333 days to 19 years, 357 days
- 1978 (Argentina): 23 years, 321 days to 23 years, 345 days
- 1982 (Argentina): 27 years, 333 days to 27 years, 361 days