How old were they?

Nippy Jones

1B · Born June 29, 1925

Age in each postseason series

1. 1946 World Series (October 6, 1946), Cardinals vs Red Sox 4–3: 21 years, 99 days
2. 1957 World Series (October 2, 1957), Braves vs Yankees 4–3: 32 years, 95 days

Age in each season

1. 1946 (Cardinals): 20 years, 276 days to 21 years, 94 days
2. 1947 (Cardinals): 21 years, 276 days to 22 years, 94 days
3. 1948 (Cardinals): 22 years, 277 days to 23 years, 94 days
4. 1949 (Cardinals): 23 years, 276 days to 24 years, 94 days
5. 1950 (Cardinals): 24 years, 276 days to 25 years, 94 days
6. 1951 (Cardinals): 25 years, 276 days to 26 years, 94 days
7. 1952 (Phillies): 26 years, 277 days to 27 years, 94 days
8. 1957 (Braves): 31 years, 276 days to 32 years, 94 days