Bob Heffner
P · Born September 13, 1938
Age in each season
- 1963 (Red Sox): 24 years, 200 days to 25 years, 18 days
- 1964 (Red Sox): 25 years, 201 days to 26 years, 18 days
- 1965 (Red Sox): 26 years, 200 days to 27 years, 18 days
- 1966 (Indians): 27 years, 200 days to 28 years, 18 days
- 1968 (Angels): 29 years, 201 days to 30 years, 18 days