How old were they?

Fred Lear

3B · Born April 7, 1894

Age in each season

1. 1915 (Athletics): 20 years, 359 days to 21 years, 177 days
2. 1918 (Cubs): 23 years, 359 days to 24 years, 177 days
3. 1919 (Cubs): 24 years, 359 days to 25 years, 177 days
4. 1920 (Giants): 25 years, 360 days to 26 years, 177 days