Herb Pennock
P · Born February 10, 1894
Age in each postseason series
- 1914 World Series (October 9, 1914), Athletics vs Braves 0–4: 20 years, 241 days
- 1923 World Series (October 10, 1923), Yankees vs Giants 4–2: 29 years, 242 days
- 1926 World Series (October 2, 1926), Yankees vs Cardinals 3–4: 32 years, 234 days
- 1927 World Series (October 5, 1927), Yankees vs Pirates 4–0: 33 years, 237 days
- 1932 World Series (September 28, 1932), Yankees vs Cubs 4–0: 38 years, 231 days
Age in each season
- 1912 (Athletics): 18 years, 51 days to 18 years, 234 days
- 1913 (Athletics): 19 years, 50 days to 19 years, 233 days
- 1914 (Athletics): 20 years, 50 days to 20 years, 233 days
- 1915 (Athletics, Red Sox): 21 years, 50 days to 21 years, 233 days
- 1916 (Red Sox): 22 years, 51 days to 22 years, 234 days
- 1917 (Red Sox): 23 years, 50 days to 23 years, 233 days
- 1919 (Red Sox): 25 years, 50 days to 25 years, 233 days
- 1920 (Red Sox): 26 years, 51 days to 26 years, 234 days
- 1921 (Red Sox): 27 years, 50 days to 27 years, 233 days
- 1922 (Red Sox): 28 years, 50 days to 28 years, 233 days
- 1923 (Yankees): 29 years, 50 days to 29 years, 233 days
- 1924 (Yankees): 30 years, 51 days to 30 years, 234 days
- 1925 (Yankees): 31 years, 50 days to 31 years, 233 days
- 1926 (Yankees): 32 years, 50 days to 32 years, 233 days
- 1927 (Yankees): 33 years, 50 days to 33 years, 233 days
- 1928 (Yankees): 34 years, 51 days to 34 years, 234 days
- 1929 (Yankees): 35 years, 50 days to 35 years, 233 days
- 1930 (Yankees): 36 years, 50 days to 36 years, 233 days
- 1931 (Yankees): 37 years, 50 days to 37 years, 233 days
- 1932 (Yankees): 38 years, 51 days to 38 years, 234 days
- 1933 (Yankees): 39 years, 50 days to 39 years, 233 days
- 1934 (Red Sox): 40 years, 50 days to 40 years, 233 days