Jerry Mumphrey
CF · Born September 9, 1952
Age in each postseason series
- 1981 AL East Division Series (October 7, 1981), Yankees vs Brewers 3–2: 29 years, 28 days
- 1981 ALCS (October 13, 1981), Yankees vs Athletics 3–0: 29 years, 34 days
- 1981 World Series (October 20, 1981), Yankees vs Dodgers 2–4: 29 years, 41 days
Age in each season
- 1974 (Cardinals): 21 years, 204 days to 22 years, 22 days
- 1975 (Cardinals): 22 years, 204 days to 23 years, 22 days
- 1976 (Cardinals): 23 years, 205 days to 24 years, 22 days
- 1977 (Cardinals): 24 years, 204 days to 25 years, 22 days
- 1978 (Cardinals): 25 years, 204 days to 26 years, 22 days
- 1979 (Cardinals): 26 years, 204 days to 27 years, 22 days
- 1980 (Padres): 27 years, 205 days to 28 years, 22 days
- 1981 (Yankees): 28 years, 204 days to 29 years, 22 days
- 1982 (Yankees): 29 years, 204 days to 30 years, 22 days
- 1983 (Yankees, Astros): 30 years, 204 days to 31 years, 22 days
- 1984 (Astros): 31 years, 205 days to 32 years, 22 days
- 1985 (Astros): 32 years, 204 days to 33 years, 22 days
- 1986 (Cubs): 33 years, 204 days to 34 years, 22 days
- 1987 (Cubs): 34 years, 204 days to 35 years, 22 days
- 1988 (Cubs): 35 years, 205 days to 36 years, 22 days