Johnny Marcum
P · Born September 9, 1909
Age in each season
- 1933 (Athletics): 23 years, 204 days to 24 years, 22 days
- 1934 (Athletics): 24 years, 204 days to 25 years, 22 days
- 1935 (Athletics): 25 years, 204 days to 26 years, 22 days
- 1936 (Red Sox): 26 years, 205 days to 27 years, 22 days
- 1937 (Red Sox): 27 years, 204 days to 28 years, 22 days
- 1938 (Red Sox): 28 years, 204 days to 29 years, 22 days
- 1939 (White Sox, Browns): 29 years, 204 days to 30 years, 22 days