How old were they?

Lance Blankenship

2B · Born December 6, 1963

Age in each postseason series

1. 1989 ALCS (October 3, 1989), Athletics vs Blue Jays 4–1: 25 years, 301 days
2. 1989 World Series (October 14, 1989), Athletics vs Giants 4–0: 25 years, 312 days
3. 1990 ALCS (October 6, 1990), Athletics vs Red Sox 4–0: 26 years, 304 days
4. 1990 World Series (October 16, 1990), Athletics vs Reds 0–4: 26 years, 314 days
5. 1992 ALCS (October 7, 1992), Athletics vs Blue Jays 2–4: 28 years, 306 days

Age in each season

1. 1988 (Athletics): 24 years, 117 days to 24 years, 300 days
2. 1989 (Athletics): 25 years, 116 days to 25 years, 299 days
3. 1990 (Athletics): 26 years, 116 days to 26 years, 299 days
4. 1991 (Athletics): 27 years, 116 days to 27 years, 299 days
5. 1992 (Athletics): 28 years, 117 days to 28 years, 300 days
6. 1993 (Athletics): 29 years, 116 days to 29 years, 299 days