Dan Osinski
P · Born November 17, 1933
Age in each postseason series
- 1967 World Series (October 4, 1967), Red Sox vs Cardinals 3–4: 33 years, 321 days
Age in each season
- 1962 (Angels, Athletics): 28 years, 135 days to 28 years, 318 days
- 1963 (Angels): 29 years, 135 days to 29 years, 318 days
- 1964 (Angels): 30 years, 136 days to 30 years, 319 days
- 1965 (Braves): 31 years, 135 days to 31 years, 318 days
- 1966 (Red Sox): 32 years, 135 days to 32 years, 318 days
- 1967 (Red Sox): 33 years, 135 days to 33 years, 318 days
- 1969 (White Sox): 35 years, 135 days to 35 years, 318 days
- 1970 (Astros): 36 years, 135 days to 36 years, 318 days