Jack Coombs
P · Born November 18, 1882
Age in each postseason series
- 1910 World Series (October 17, 1910), Athletics vs Cubs 4–1: 27 years, 333 days
- 1911 World Series (October 14, 1911), Athletics vs Giants 4–2: 28 years, 330 days
- 1916 World Series (October 7, 1916), Robins vs Red Sox 1–4: 33 years, 324 days
Age in each season
- 1906 (Athletics): 23 years, 134 days to 23 years, 317 days
- 1907 (Athletics): 24 years, 134 days to 24 years, 317 days
- 1908 (Athletics): 25 years, 135 days to 25 years, 318 days
- 1909 (Athletics): 26 years, 134 days to 26 years, 317 days
- 1910 (Athletics): 27 years, 134 days to 27 years, 317 days
- 1911 (Athletics): 28 years, 134 days to 28 years, 317 days
- 1912 (Athletics): 29 years, 135 days to 29 years, 318 days
- 1913 (Athletics): 30 years, 134 days to 30 years, 317 days
- 1914 (Athletics): 31 years, 134 days to 31 years, 317 days
- 1915 (Robins): 32 years, 134 days to 32 years, 317 days
- 1916 (Robins): 33 years, 135 days to 33 years, 318 days
- 1917 (Robins): 34 years, 134 days to 34 years, 317 days
- 1918 (Robins): 35 years, 134 days to 35 years, 317 days
- 1920 (Tigers): 37 years, 135 days to 37 years, 318 days