How old were they?

Del Mason

P · Born October 29, 1883

Age in each season

1. 1904 (Senators): 20 years, 155 days to 20 years, 338 days
2. 1906 (Reds): 22 years, 154 days to 22 years, 337 days
3. 1907 (Reds): 23 years, 154 days to 23 years, 337 days