How old were they?

Chick Gandil

1B · Born January 19, 1888

Age in each postseason series

1. 1917 World Series (October 6, 1917), White Sox vs Giants 4–2: 29 years, 260 days
2. 1919 World Series (October 1, 1919), White Sox vs Reds 3–5: 31 years, 255 days

Age in each season

1. 1910 (White Sox): 22 years, 72 days to 22 years, 255 days
2. 1912 (Senators): 24 years, 73 days to 24 years, 256 days
3. 1913 (Senators): 25 years, 72 days to 25 years, 255 days
4. 1914 (Senators): 26 years, 72 days to 26 years, 255 days
5. 1915 (Senators): 27 years, 72 days to 27 years, 255 days
6. 1916 (Indians): 28 years, 73 days to 28 years, 256 days
7. 1917 (White Sox): 29 years, 72 days to 29 years, 255 days
8. 1918 (White Sox): 30 years, 72 days to 30 years, 255 days
9. 1919 (White Sox): 31 years, 72 days to 31 years, 255 days