How old were they?

Sandy Koufax

P · Born December 30, 1935

Age in each postseason series

1. 1959 World Series (October 1, 1959), Dodgers vs White Sox 4–2: 23 years, 275 days
2. 1963 World Series (October 2, 1963), Dodgers vs Yankees 4–0: 27 years, 276 days
3. 1965 World Series (October 6, 1965), Dodgers vs Twins 4–3: 29 years, 280 days
4. 1966 World Series (October 5, 1966), Dodgers vs Orioles 0–4: 30 years, 279 days

Age in each season

1. 1955 (Dodgers): 19 years, 92 days to 19 years, 275 days
2. 1956 (Dodgers): 20 years, 93 days to 20 years, 276 days
3. 1957 (Dodgers): 21 years, 92 days to 21 years, 275 days
4. 1958 (Dodgers): 22 years, 92 days to 22 years, 275 days
5. 1959 (Dodgers): 23 years, 92 days to 23 years, 275 days
6. 1960 (Dodgers): 24 years, 93 days to 24 years, 276 days
7. 1961 (Dodgers): 25 years, 92 days to 25 years, 275 days
8. 1962 (Dodgers): 26 years, 92 days to 26 years, 275 days
9. 1963 (Dodgers): 27 years, 92 days to 27 years, 275 days
10. 1964 (Dodgers): 28 years, 93 days to 28 years, 276 days
11. 1965 (Dodgers): 29 years, 92 days to 29 years, 275 days
12. 1966 (Dodgers): 30 years, 92 days to 30 years, 275 days