How old were they?

Joe Stephenson

C · Born June 30, 1921

Age in each season

1. 1943 (Giants): 21 years, 275 days to 22 years, 93 days
2. 1944 (Cubs): 22 years, 276 days to 23 years, 93 days
3. 1947 (White Sox): 25 years, 275 days to 26 years, 93 days