How old were they?

Larry Jaster

P · Born January 13, 1944

Age in each postseason series

1. 1967 World Series (October 4, 1967), Cardinals vs Red Sox 4–3: 23 years, 264 days
2. 1968 World Series (October 2, 1968), Cardinals vs Tigers 3–4: 24 years, 263 days

Age in each season

1. 1965 (Cardinals): 21 years, 78 days to 21 years, 261 days
2. 1966 (Cardinals): 22 years, 78 days to 22 years, 261 days
3. 1967 (Cardinals): 23 years, 78 days to 23 years, 261 days
4. 1968 (Cardinals): 24 years, 79 days to 24 years, 262 days
5. 1969 (Expos): 25 years, 78 days to 25 years, 261 days
6. 1970 (Braves): 26 years, 78 days to 26 years, 261 days
7. 1972 (Braves): 28 years, 79 days to 28 years, 262 days