How old were they?

Pop-boy Smith

P · Born May 23, 1892

Age in each season

1. 1913 (White Sox): 20 years, 313 days to 21 years, 131 days
2. 1916 (Indians): 23 years, 314 days to 24 years, 131 days
3. 1917 (Indians): 24 years, 313 days to 25 years, 131 days