How old were they?

Billy Smith

2B · Born July 14, 1953

Age in each postseason series

1. 1979 ALCS (October 3, 1979), Orioles vs Angels 3–1: 26 years, 81 days
2. 1979 World Series (October 10, 1979), Orioles vs Pirates 3–4: 26 years, 88 days

Age in each season

1. 1975 (Angels): 21 years, 261 days to 22 years, 79 days
2. 1976 (Angels): 22 years, 262 days to 23 years, 79 days
3. 1977 (Orioles): 23 years, 261 days to 24 years, 79 days
4. 1978 (Orioles): 24 years, 261 days to 25 years, 79 days
5. 1979 (Orioles): 25 years, 261 days to 26 years, 79 days
6. 1981 (Giants): 27 years, 261 days to 28 years, 79 days