John Donaldson
2B · Born May 5, 1943
Age in each season
- 1966 (Athletics): 22 years, 331 days to 23 years, 149 days
- 1967 (Athletics): 23 years, 331 days to 24 years, 149 days
- 1968 (Athletics): 24 years, 332 days to 25 years, 149 days
- 1969 (Pilots, Athletics): 25 years, 331 days to 26 years, 149 days
- 1970 (Athletics): 26 years, 331 days to 27 years, 149 days
- 1974 (Athletics): 30 years, 331 days to 31 years, 149 days