How old were they?

Don Mattingly

1B · Born April 20, 1961

Age in each postseason series

1. 1995 ALDS (October 3, 1995), Yankees vs Mariners 2–3: 34 years, 166 days

Age in each season

1. 1982 (Yankees): 20 years, 346 days to 21 years, 164 days
2. 1983 (Yankees): 21 years, 346 days to 22 years, 164 days
3. 1984 (Yankees): 22 years, 347 days to 23 years, 164 days
4. 1985 (Yankees): 23 years, 346 days to 24 years, 164 days
5. 1986 (Yankees): 24 years, 346 days to 25 years, 164 days
6. 1987 (Yankees): 25 years, 346 days to 26 years, 164 days
7. 1988 (Yankees): 26 years, 347 days to 27 years, 164 days
8. 1989 (Yankees): 27 years, 346 days to 28 years, 164 days
9. 1990 (Yankees): 28 years, 346 days to 29 years, 164 days
10. 1991 (Yankees): 29 years, 346 days to 30 years, 164 days
11. 1992 (Yankees): 30 years, 347 days to 31 years, 164 days
12. 1993 (Yankees): 31 years, 346 days to 32 years, 164 days
13. 1994 (Yankees): 32 years, 346 days to 33 years, 164 days
14. 1995 (Yankees): 33 years, 346 days to 34 years, 164 days