How old were they?

Jimmy Archer

C · Born May 13, 1883

Age in each postseason series

1. 1907 World Series (October 8, 1907), Tigers vs Cubs 0–4: 24 years, 148 days
2. 1910 World Series (October 17, 1910), Cubs vs Athletics 1–4: 27 years, 157 days

Age in each season

1. 1904 (Pirates): 20 years, 324 days to 21 years, 141 days
2. 1907 (Tigers): 23 years, 323 days to 24 years, 141 days
3. 1909 (Cubs): 25 years, 323 days to 26 years, 141 days
4. 1910 (Cubs): 26 years, 323 days to 27 years, 141 days
5. 1911 (Cubs): 27 years, 323 days to 28 years, 141 days
6. 1912 (Cubs): 28 years, 324 days to 29 years, 141 days
7. 1913 (Cubs): 29 years, 323 days to 30 years, 141 days
8. 1914 (Cubs): 30 years, 323 days to 31 years, 141 days
9. 1915 (Cubs): 31 years, 323 days to 32 years, 141 days
10. 1916 (Cubs): 32 years, 324 days to 33 years, 141 days
11. 1917 (Cubs): 33 years, 323 days to 34 years, 141 days
12. 1918 (Pirates, Robins, Reds): 34 years, 323 days to 35 years, 141 days