Juan Marichal
P · Born October 20, 1937
Age in each postseason series
- 1962 World Series (October 4, 1962), Giants vs Yankees 3–4: 24 years, 349 days
- 1971 NLCS (October 2, 1971), Giants vs Pirates 1–3: 33 years, 347 days
Age in each season
- 1960 (Giants): 22 years, 164 days to 22 years, 347 days
- 1961 (Giants): 23 years, 163 days to 23 years, 346 days
- 1962 (Giants): 24 years, 163 days to 24 years, 346 days
- 1963 (Giants): 25 years, 163 days to 25 years, 346 days
- 1964 (Giants): 26 years, 164 days to 26 years, 347 days
- 1965 (Giants): 27 years, 163 days to 27 years, 346 days
- 1966 (Giants): 28 years, 163 days to 28 years, 346 days
- 1967 (Giants): 29 years, 163 days to 29 years, 346 days
- 1968 (Giants): 30 years, 164 days to 30 years, 347 days
- 1969 (Giants): 31 years, 163 days to 31 years, 346 days
- 1970 (Giants): 32 years, 163 days to 32 years, 346 days
- 1971 (Giants): 33 years, 163 days to 33 years, 346 days
- 1972 (Giants): 34 years, 164 days to 34 years, 347 days
- 1973 (Giants): 35 years, 163 days to 35 years, 346 days
- 1974 (Red Sox): 36 years, 163 days to 36 years, 346 days
- 1975 (Dodgers): 37 years, 163 days to 37 years, 346 days