Dave Koslo
P · Born March 31, 1920
Age in each postseason series
- 1951 World Series (October 4, 1951), Giants vs Yankees 2–4: 31 years, 187 days
Age in each season
- 1941 (Giants): 21 years, 1 day to 21 years, 184 days
- 1942 (Giants): 22 years, 1 day to 22 years, 184 days
- 1946 (Giants): 26 years, 1 day to 26 years, 184 days
- 1947 (Giants): 27 years, 1 day to 27 years, 184 days
- 1948 (Giants): 28 years, 1 day to 28 years, 184 days
- 1949 (Giants): 29 years, 1 day to 29 years, 184 days
- 1950 (Giants): 30 years, 1 day to 30 years, 184 days
- 1951 (Giants): 31 years, 1 day to 31 years, 184 days
- 1952 (Giants): 32 years, 1 day to 32 years, 184 days
- 1953 (Giants): 33 years, 1 day to 33 years, 184 days
- 1954 (Braves, Orioles): 34 years, 1 day to 34 years, 184 days
- 1955 (Braves): 35 years, 1 day to 35 years, 184 days