How old were they?

Steve Yerkes

2B · Born May 15, 1888

Age in each postseason series

1. 1912 World Series (October 8, 1912), Red Sox vs Giants 4–3: 24 years, 146 days

Age in each season

1. 1909 (Red Sox): 20 years, 321 days to 21 years, 139 days
2. 1911 (Red Sox): 22 years, 321 days to 23 years, 139 days
3. 1912 (Red Sox): 23 years, 322 days to 24 years, 139 days
4. 1913 (Red Sox): 24 years, 321 days to 25 years, 139 days
5. 1914 (Red Sox, Rebels): 25 years, 321 days to 26 years, 139 days
6. 1915 (Rebels): 26 years, 321 days to 27 years, 139 days
7. 1916 (Cubs): 27 years, 322 days to 28 years, 139 days