Jack O'Connor
P · Born June 2, 1958
Age in each season
- 1981 (Twins): 22 years, 303 days to 23 years, 121 days
- 1982 (Twins): 23 years, 303 days to 24 years, 121 days
- 1983 (Twins): 24 years, 303 days to 25 years, 121 days
- 1984 (Twins): 25 years, 304 days to 26 years, 121 days
- 1985 (Expos): 26 years, 303 days to 27 years, 121 days
- 1987 (Orioles): 28 years, 303 days to 29 years, 121 days