How old were they?

John Costello

P · Born December 24, 1960

Age in each season

1. 1988 (Cardinals): 27 years, 99 days to 27 years, 282 days
2. 1989 (Cardinals): 28 years, 98 days to 28 years, 281 days
3. 1990 (Expos, Cardinals): 29 years, 98 days to 29 years, 281 days
4. 1991 (Padres): 30 years, 98 days to 30 years, 281 days