Walker Cooper
C · Born January 8, 1915
Age in each postseason series
- 1942 World Series (September 30, 1942), Cardinals vs Yankees 4–1: 27 years, 265 days
- 1943 World Series (October 5, 1943), Cardinals vs Yankees 1–4: 28 years, 270 days
- 1944 World Series (October 4, 1944), Cardinals vs Browns 4–2: 29 years, 270 days
Age in each season
- 1940 (Cardinals): 25 years, 84 days to 25 years, 267 days
- 1941 (Cardinals): 26 years, 83 days to 26 years, 266 days
- 1942 (Cardinals): 27 years, 83 days to 27 years, 266 days
- 1943 (Cardinals): 28 years, 83 days to 28 years, 266 days
- 1944 (Cardinals): 29 years, 84 days to 29 years, 267 days
- 1945 (Cardinals): 30 years, 83 days to 30 years, 266 days
- 1946 (Giants): 31 years, 83 days to 31 years, 266 days
- 1947 (Giants): 32 years, 83 days to 32 years, 266 days
- 1948 (Giants): 33 years, 84 days to 33 years, 267 days
- 1949 (Reds, Giants): 34 years, 83 days to 34 years, 266 days
- 1950 (Braves, Reds): 35 years, 83 days to 35 years, 266 days
- 1951 (Braves): 36 years, 83 days to 36 years, 266 days
- 1952 (Braves): 37 years, 84 days to 37 years, 267 days
- 1953 (Braves): 38 years, 83 days to 38 years, 266 days
- 1954 (Cubs, Pirates): 39 years, 83 days to 39 years, 266 days
- 1955 (Cubs): 40 years, 83 days to 40 years, 266 days
- 1956 (Cardinals): 41 years, 84 days to 41 years, 267 days
- 1957 (Cardinals): 42 years, 83 days to 42 years, 266 days