How old were they?

Johnny McCarthy

1B · Born January 7, 1910

Age in each postseason series

1. 1937 World Series (October 6, 1937), Giants vs Yankees 1–4: 27 years, 272 days

Age in each season

1. 1934 (Dodgers): 24 years, 84 days to 24 years, 267 days
2. 1935 (Dodgers): 25 years, 84 days to 25 years, 267 days
3. 1936 (Giants): 26 years, 85 days to 26 years, 268 days
4. 1937 (Giants): 27 years, 84 days to 27 years, 267 days
5. 1938 (Giants): 28 years, 84 days to 28 years, 267 days
6. 1939 (Giants): 29 years, 84 days to 29 years, 267 days
7. 1940 (Giants): 30 years, 85 days to 30 years, 268 days
8. 1941 (Giants): 31 years, 84 days to 31 years, 267 days
9. 1943 (Braves): 33 years, 84 days to 33 years, 267 days
10. 1946 (Braves): 36 years, 84 days to 36 years, 267 days
11. 1948 (Giants): 38 years, 85 days to 38 years, 268 days