Jack Brennan
C · Born September 15, 1863
Age in each season
- 1884 (Maroons): 20 years, 199 days to 21 years, 16 days
- 1885 (Maroons): 21 years, 198 days to 22 years, 16 days
- 1888 (Cowboys): 24 years, 199 days to 25 years, 16 days
- 1889 (Athletics): 25 years, 198 days to 26 years, 16 days
- 1890 (Infants): 26 years, 198 days to 27 years, 16 days