Lou Klein
2B · Born October 22, 1918
Age in each postseason series
- 1943 World Series (October 5, 1943), Cardinals vs Yankees 1–4: 24 years, 348 days
Age in each season
- 1943 (Cardinals): 24 years, 161 days to 24 years, 344 days
- 1945 (Cardinals): 26 years, 161 days to 26 years, 344 days
- 1946 (Cardinals): 27 years, 161 days to 27 years, 344 days
- 1949 (Cardinals): 30 years, 161 days to 30 years, 344 days
- 1951 (Athletics, Indians): 32 years, 161 days to 32 years, 344 days