How old were they?

Champ Summers

RF · Born June 15, 1946

Age in each postseason series

1. 1984 NLCS (October 2, 1984), Padres vs Cubs 3–2: 38 years, 109 days
2. 1984 World Series (October 9, 1984), Padres vs Tigers 1–4: 38 years, 116 days

Age in each season

1. 1974 (Athletics): 27 years, 290 days to 28 years, 108 days
2. 1975 (Cubs): 28 years, 290 days to 29 years, 108 days
3. 1976 (Cubs): 29 years, 291 days to 30 years, 108 days
4. 1977 (Reds): 30 years, 290 days to 31 years, 108 days
5. 1978 (Reds): 31 years, 290 days to 32 years, 108 days
6. 1979 (Tigers, Reds): 32 years, 290 days to 33 years, 108 days
7. 1980 (Tigers): 33 years, 291 days to 34 years, 108 days
8. 1981 (Tigers): 34 years, 290 days to 35 years, 108 days
9. 1982 (Giants): 35 years, 290 days to 36 years, 108 days
10. 1983 (Giants): 36 years, 290 days to 37 years, 108 days
11. 1984 (Padres): 37 years, 291 days to 38 years, 108 days