How old were they?

Rollie Zeider

2B · Born November 16, 1883

Age in each postseason series

1. 1918 World Series (September 5, 1918), Cubs vs Red Sox 2–4: 34 years, 293 days

Age in each season

1. 1910 (White Sox): 26 years, 136 days to 26 years, 319 days
2. 1911 (White Sox): 27 years, 136 days to 27 years, 319 days
3. 1912 (White Sox): 28 years, 137 days to 28 years, 320 days
4. 1913 (Yankees, White Sox): 29 years, 136 days to 29 years, 319 days
5. 1914 (Chi-Feds): 30 years, 136 days to 30 years, 319 days
6. 1915 (Whales): 31 years, 136 days to 31 years, 319 days
7. 1916 (Cubs): 32 years, 137 days to 32 years, 320 days
8. 1917 (Cubs): 33 years, 136 days to 33 years, 319 days
9. 1918 (Cubs): 34 years, 136 days to 34 years, 319 days