Christy Mathewson
P · Born August 12, 1880
Age in each postseason series
- 1905 World Series (October 9, 1905), Giants vs Athletics 4–1: 25 years, 58 days
- 1911 World Series (October 14, 1911), Giants vs Athletics 2–4: 31 years, 63 days
- 1912 World Series (October 8, 1912), Giants vs Red Sox 3–4: 32 years, 57 days
- 1913 World Series (October 7, 1913), Giants vs Athletics 1–4: 33 years, 56 days
Age in each season
- 1900 (Giants): 19 years, 232 days to 20 years, 50 days
- 1901 (Giants): 20 years, 232 days to 21 years, 50 days
- 1902 (Giants): 21 years, 232 days to 22 years, 50 days
- 1903 (Giants): 22 years, 232 days to 23 years, 50 days
- 1904 (Giants): 23 years, 233 days to 24 years, 50 days
- 1905 (Giants): 24 years, 232 days to 25 years, 50 days
- 1906 (Giants): 25 years, 232 days to 26 years, 50 days
- 1907 (Giants): 26 years, 232 days to 27 years, 50 days
- 1908 (Giants): 27 years, 233 days to 28 years, 50 days
- 1909 (Giants): 28 years, 232 days to 29 years, 50 days
- 1910 (Giants): 29 years, 232 days to 30 years, 50 days
- 1911 (Giants): 30 years, 232 days to 31 years, 50 days
- 1912 (Giants): 31 years, 233 days to 32 years, 50 days
- 1913 (Giants): 32 years, 232 days to 33 years, 50 days
- 1914 (Giants): 33 years, 232 days to 34 years, 50 days
- 1915 (Giants): 34 years, 232 days to 35 years, 50 days
- 1916 (Giants, Reds): 35 years, 233 days to 36 years, 50 days