Jim Hearn
P · Born April 11, 1921
Age in each postseason series
- 1951 World Series (October 4, 1951), Giants vs Yankees 2–4: 30 years, 176 days
Age in each season
- 1947 (Cardinals): 25 years, 355 days to 26 years, 173 days
- 1948 (Cardinals): 26 years, 356 days to 27 years, 173 days
- 1949 (Cardinals): 27 years, 355 days to 28 years, 173 days
- 1950 (Giants, Cardinals): 28 years, 355 days to 29 years, 173 days
- 1951 (Giants): 29 years, 355 days to 30 years, 173 days
- 1952 (Giants): 30 years, 356 days to 31 years, 173 days
- 1953 (Giants): 31 years, 355 days to 32 years, 173 days
- 1954 (Giants): 32 years, 355 days to 33 years, 173 days
- 1955 (Giants): 33 years, 355 days to 34 years, 173 days
- 1956 (Giants): 34 years, 356 days to 35 years, 173 days
- 1957 (Phillies): 35 years, 355 days to 36 years, 173 days
- 1958 (Phillies): 36 years, 355 days to 37 years, 173 days
- 1959 (Phillies): 37 years, 355 days to 38 years, 173 days