How old were they?

Donn Clendenon

1B · Born July 15, 1935

Age in each postseason series

1. 1969 World Series (October 11, 1969), Mets vs Orioles 4–1: 34 years, 88 days

Age in each season

1. 1961 (Pirates): 25 years, 260 days to 26 years, 78 days
2. 1962 (Pirates): 26 years, 260 days to 27 years, 78 days
3. 1963 (Pirates): 27 years, 260 days to 28 years, 78 days
4. 1964 (Pirates): 28 years, 261 days to 29 years, 78 days
5. 1965 (Pirates): 29 years, 260 days to 30 years, 78 days
6. 1966 (Pirates): 30 years, 260 days to 31 years, 78 days
7. 1967 (Pirates): 31 years, 260 days to 32 years, 78 days
8. 1968 (Pirates): 32 years, 261 days to 33 years, 78 days
9. 1969 (Mets, Expos): 33 years, 260 days to 34 years, 78 days
10. 1970 (Mets): 34 years, 260 days to 35 years, 78 days
11. 1971 (Mets): 35 years, 260 days to 36 years, 78 days
12. 1972 (Cardinals): 36 years, 261 days to 37 years, 78 days