How old were they?

Don Mason

2B · Born December 20, 1944

Age in each season

1. 1966 (Giants): 21 years, 102 days to 21 years, 285 days
2. 1967 (Giants): 22 years, 102 days to 22 years, 285 days
3. 1968 (Giants): 23 years, 103 days to 23 years, 286 days
4. 1969 (Giants): 24 years, 102 days to 24 years, 285 days
5. 1970 (Giants): 25 years, 102 days to 25 years, 285 days
6. 1971 (Padres): 26 years, 102 days to 26 years, 285 days
7. 1972 (Padres): 27 years, 103 days to 27 years, 286 days
8. 1973 (Padres): 28 years, 102 days to 28 years, 285 days