How old were they?

Felix Mantilla

2B · Born July 29, 1934

Age in each postseason series

1. 1957 World Series (October 2, 1957), Braves vs Yankees 4–3: 23 years, 65 days
2. 1958 World Series (October 1, 1958), Braves vs Yankees 3–4: 24 years, 64 days

Age in each season

1. 1956 (Braves): 21 years, 247 days to 22 years, 64 days
2. 1957 (Braves): 22 years, 246 days to 23 years, 64 days
3. 1958 (Braves): 23 years, 246 days to 24 years, 64 days
4. 1959 (Braves): 24 years, 246 days to 25 years, 64 days
5. 1960 (Braves): 25 years, 247 days to 26 years, 64 days
6. 1961 (Braves): 26 years, 246 days to 27 years, 64 days
7. 1962 (Mets): 27 years, 246 days to 28 years, 64 days
8. 1963 (Red Sox): 28 years, 246 days to 29 years, 64 days
9. 1964 (Red Sox): 29 years, 247 days to 30 years, 64 days
10. 1965 (Red Sox): 30 years, 246 days to 31 years, 64 days
11. 1966 (Astros): 31 years, 246 days to 32 years, 64 days