John Henry Johnson
P · Born August 21, 1956
Age in each season
- 1978 (Athletics): 21 years, 223 days to 22 years, 41 days
- 1979 (Rangers, Athletics): 22 years, 223 days to 23 years, 41 days
- 1980 (Rangers): 23 years, 224 days to 24 years, 41 days
- 1981 (Rangers): 24 years, 223 days to 25 years, 41 days
- 1983 (Red Sox): 26 years, 223 days to 27 years, 41 days
- 1984 (Red Sox): 27 years, 224 days to 28 years, 41 days
- 1986 (Brewers): 29 years, 223 days to 30 years, 41 days
- 1987 (Brewers): 30 years, 223 days to 31 years, 41 days