How old were they?

Rube Oldring

CF · Born May 30, 1884

Age in each postseason series

1. 1911 World Series (October 14, 1911), Athletics vs Giants 4–2: 27 years, 137 days
2. 1913 World Series (October 7, 1913), Athletics vs Giants 4–1: 29 years, 130 days
3. 1914 World Series (October 9, 1914), Athletics vs Braves 0–4: 30 years, 132 days

Age in each season

1. 1905 (Highlanders): 20 years, 306 days to 21 years, 124 days
2. 1906 (Athletics): 21 years, 306 days to 22 years, 124 days
3. 1907 (Athletics): 22 years, 306 days to 23 years, 124 days
4. 1908 (Athletics): 23 years, 307 days to 24 years, 124 days
5. 1909 (Athletics): 24 years, 306 days to 25 years, 124 days
6. 1910 (Athletics): 25 years, 306 days to 26 years, 124 days
7. 1911 (Athletics): 26 years, 306 days to 27 years, 124 days
8. 1912 (Athletics): 27 years, 307 days to 28 years, 124 days
9. 1913 (Athletics): 28 years, 306 days to 29 years, 124 days
10. 1914 (Athletics): 29 years, 306 days to 30 years, 124 days
11. 1915 (Athletics): 30 years, 306 days to 31 years, 124 days
12. 1916 (Yankees, Athletics): 31 years, 307 days to 32 years, 124 days
13. 1918 (Athletics): 33 years, 306 days to 34 years, 124 days