How old were they?

Mike Proly

P · Born December 15, 1950

Age in each season

1. 1976 (Cardinals): 25 years, 108 days to 25 years, 291 days
2. 1978 (White Sox): 27 years, 107 days to 27 years, 290 days
3. 1979 (White Sox): 28 years, 107 days to 28 years, 290 days
4. 1980 (White Sox): 29 years, 108 days to 29 years, 291 days
5. 1981 (Phillies): 30 years, 107 days to 30 years, 290 days
6. 1982 (Cubs): 31 years, 107 days to 31 years, 290 days
7. 1983 (Cubs): 32 years, 107 days to 32 years, 290 days