Don Brennan
P · Born December 2, 1903
Age in each postseason series
- 1937 World Series (October 6, 1937), Giants vs Yankees 1–4: 33 years, 308 days
Age in each season
- 1933 (Yankees): 29 years, 120 days to 29 years, 303 days
- 1934 (Reds): 30 years, 120 days to 30 years, 303 days
- 1935 (Reds): 31 years, 120 days to 31 years, 303 days
- 1936 (Reds): 32 years, 121 days to 32 years, 304 days
- 1937 (Reds, Giants): 33 years, 120 days to 33 years, 303 days