How old were they?

Dave Shean

2B · Born July 9, 1883

Age in each postseason series

1. 1918 World Series (September 5, 1918), Red Sox vs Cubs 4–2: 35 years, 58 days

Age in each season

1. 1906 (Athletics): 22 years, 266 days to 23 years, 84 days
2. 1908 (Phillies): 24 years, 267 days to 25 years, 84 days
3. 1909 (Doves, Phillies): 25 years, 266 days to 26 years, 84 days
4. 1910 (Doves): 26 years, 266 days to 27 years, 84 days
5. 1911 (Cubs): 27 years, 266 days to 28 years, 84 days
6. 1912 (Braves): 28 years, 267 days to 29 years, 84 days
7. 1917 (Reds): 33 years, 266 days to 34 years, 84 days
8. 1918 (Red Sox): 34 years, 266 days to 35 years, 84 days
9. 1919 (Red Sox): 35 years, 266 days to 36 years, 84 days