Bart Johnson
P · Born January 3, 1950
Age in each season
- 1969 (White Sox): 19 years, 88 days to 19 years, 271 days
- 1970 (White Sox): 20 years, 88 days to 20 years, 271 days
- 1971 (White Sox): 21 years, 88 days to 21 years, 271 days
- 1972 (White Sox): 22 years, 89 days to 22 years, 272 days
- 1973 (White Sox): 23 years, 88 days to 23 years, 271 days
- 1974 (White Sox): 24 years, 88 days to 24 years, 271 days
- 1976 (White Sox): 26 years, 89 days to 26 years, 272 days
- 1977 (White Sox): 27 years, 88 days to 27 years, 271 days