How old were they?

Ray Knight

3B · Born December 28, 1952

Age in each postseason series

1. 1979 NLCS (October 2, 1979), Reds vs Pirates 0–3: 26 years, 278 days
2. 1986 NLCS (October 8, 1986), Mets vs Astros 4–2: 33 years, 284 days
3. 1986 World Series (October 18, 1986), Mets vs Red Sox 4–3: 33 years, 294 days

Age in each season

1. 1974 (Reds): 21 years, 94 days to 21 years, 277 days
2. 1977 (Reds): 24 years, 94 days to 24 years, 277 days
3. 1978 (Reds): 25 years, 94 days to 25 years, 277 days
4. 1979 (Reds): 26 years, 94 days to 26 years, 277 days
5. 1980 (Reds): 27 years, 95 days to 27 years, 278 days
6. 1981 (Reds): 28 years, 94 days to 28 years, 277 days
7. 1982 (Astros): 29 years, 94 days to 29 years, 277 days
8. 1983 (Astros): 30 years, 94 days to 30 years, 277 days
9. 1984 (Astros, Mets): 31 years, 95 days to 31 years, 278 days
10. 1985 (Mets): 32 years, 94 days to 32 years, 277 days
11. 1986 (Mets): 33 years, 94 days to 33 years, 277 days
12. 1987 (Orioles): 34 years, 94 days to 34 years, 277 days
13. 1988 (Tigers): 35 years, 95 days to 35 years, 278 days