How old were they?

Bill Mountjoy

P · Born December 11, 1858

Age in each season

1. 1883 (Red Stockings): 24 years, 111 days to 24 years, 294 days
2. 1884 (Red Stockings): 25 years, 112 days to 25 years, 295 days
3. 1885 (Red Stockings, Orioles): 26 years, 111 days to 26 years, 294 days