How old were they?

Bill James

P · Born March 12, 1892

Age in each postseason series

1. 1914 World Series (October 9, 1914), Braves vs Athletics 4–0: 22 years, 211 days

Age in each season

1. 1913 (Braves): 21 years, 20 days to 21 years, 203 days
2. 1914 (Braves): 22 years, 20 days to 22 years, 203 days
3. 1915 (Braves): 23 years, 20 days to 23 years, 203 days
4. 1919 (Braves): 27 years, 20 days to 27 years, 203 days